- Video duration : 02:18
- Video uploaded by : MooMoo Math and Science
- Video release date : Oct 12th, 2017

In this video you will learn about the 5 sided polygon called a Pentagon. A pentagon is a 5 sided polygon A polygon is a closed 2D shape with straight lines. Circles and shapes that include curves are not polygons A regular pentagon has 5 equal sides and 5 equal angles. The general formula for the sum of all interior angles of a polygon (n-2)180 n = the number of sides (5-2) = 3 x 180 = 540 The degree measure of the interior angles equals sum of all interior angles divided by the number of sides 540/5 = 108 The measures of the central angle equals 360/5 = 72 A pentagon has 5 diagonals You can Find the number of diagonals by using, n (n - 3) / 2 n = number vertices 5(5-3 )/2= 5 times 2 =10/2=5 Area If the apothem is known area = ½ perimeter times apothem If you do not know the Apothem length then not find the apothem using Apothem = side/ 2Tan ( 180/number sides) Once you know Apothem then use ½ Perimeter times Apothem Pentagons can also be irregular which means the shape does not have equal sides or angles

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learn to draw pentagon without using protractor or angle tool. Pentagon is geometrical shape that have 5 sides equal and 5 angles. This is a best and easy tutorial for learning a pentagon. Its a well know shape which is used for geometrical designs, stars and also different kinds of 3d models. geometry how to draw learn geometry drawing kids geometry draw learn to draw how to classes online classes pentagon accurate pentagon correct pentagon how to draw how to draw a pentagon pentagon with compas correct pentagon with compas draw pentagon draw accurate pentagon shapes geometrical shapes how to draw accurate shapes geometry lessons drawing a pentagon with a compas how to draw a pentagon using compas how to draw a pentagon shape

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Make a donation: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=LNQ2EWAXTVYX2 Regular pentagon given the measurement of one of it´s side, using a compass and a 45º set-square. This YouTube channel is dedicated to teaching people how to improve their technical drawing skills. It focusses on drawing figures from the geometric plane to descriptive geometry and also different systems of technical drawing representation. If you subscribe, click, like or leave a comment you will be helping us to grow our channel and help more people with their technical drawing skills. Thank you in advance. Dubbed by Frank Shaw. Music by Antonio Fernández Ruiz. http://antoniofernandez.es/

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The Polygon Song is a Shape Song Video that teaches the Polygons: Triangle, Quadrilateral, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, and Decagon. These Shape Videos teach the Shape Names, Geometry Skills, Math Vocabulary, Shape Recognition, and use Audio, Visual, and Kinesthetic Learning. Download the Shape Videos: http://havefunteaching.com/videos/shape-videos/ Download the Shape Songs: http://havefunteaching.com/songs/shape-songs/

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- Video duration : 08:38
- Video uploaded by : 1st Year Engineering Drawing
- Video release date : Jan 16th, 2017

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This video explain about How to Constructing a Regular Pentagon within given Circle By Using Ruler and Compass tool Polygons are frequently referred to have particular names. Some of these are listed below. A pentagon is a plane figure bounded by five sides. A hexagon is a plane figure bounded by six sides. A heptagon is a plane figure bounded by seven sides. An octagon is plane figure bounded by eight sides. A nonagon is a plane figure bounded by nine sides. A decagon is a plane figure bounded by ten sides. Watch and Subscribe:https://www.youtube.com/technicalpiping Likes :https://www.facebook.com/pipingtechniques

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Showing a generalized way to find the sum of the interior angles of any polygon Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/triang_prop_tut/e/angles_of_a_polygon?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/triang_prop_tut/v/sum-of-the-exterior-angles-of-convex-polygon?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/triang_prop_tut/v/finding-more-angles?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Geometry on Khan Academy: We are surrounded by space. And that space contains lots of things. And these things have shapes. In geometry we are concerned with the nature of these shapes, how we define them, and what they teach us about the world at large--from math to architecture to biology to astronomy (and everything in between). Learning geometry is about more than just taking your medicine ("It's good for you!"), it's at the core of everything that exists--including you. Having said all that, some of the specific topics we'll cover include angles, intersecting lines, right triangles, perimeter, area, volume, circles, triangles, quadrilaterals, analytic geometry, and geometric constructions. Wow. That's a lot. To summarize: it's difficult to imagine any area of math that is more widely used than geometry. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content. For free. For everyone. Forever. #YouCanLearnAnything Subscribe to Khan Academy’s Geometry channel: https://www.youtube.com/channel/UCD3OtKxPRUFw8kzYlhJXa1Q?sub_confirmation=1 Subscribe to Khan Academy: https://www.youtube.com/subscription_center?add_user=khanacademy

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for watching all my video tutorial please visit the link given below... https://www.youtube.com/channel/UCMzbQHkkkZsIOx4FvpLw16g/videos you can also visit on my channel for watching latest tutorials by clicking the link given below.. https://www.youtube.com/channel/UCMzbQHkkkZsIOx4FvpLw16g how to construct a pentagon pentagon shape regular pentagon regular polygon pentagon sides pentagon construction regular hexagon five sided shape a pentagon pentagon a regular pentagon pentagon math pentagon geometry pentagon angles perfect pentagon angles in a pentagon regular octagon draw pentagon 8 sided polygon pentagon drawing regular pentagon angles draw a pentagon construction of pentagon irregular pentagon interior angle formula polygon formula shape pentagon interior angles of a pentagon five sided polygon sides of a pentagon construct a pentagon equilateral pentagon angles of a pentagon pentagon polygon apothem formula regular triangle equilateral polygon pentagon area formula pentagon area perimeter of a pentagon perimeter of pentagon concave pentagon regular decagon pentagon construction company pentagon in a circle constructing a pentagon a shape with 5 sides sides of pentagon pentagon the shape regular heptagon pentagon regular hexagon formula pentagon figure construct pentagon construction of polygons regular nonagon five sided figure regular polygon formula pentagon inscribed in a circle construct a regular pentagon regular pentagon area a regular polygon pentagon interior angles pentagon circle pentagon in circle regular pentagon construction construction of a pentagon pentagon properties what's a pentagon interior angles of a regular polygon math pentagon the shape pentagon shape of pentagon pentagon interior pentagon formula pentagon shape sides inscribed pentagon geometry pentagon construction of regular pentagon angle of pentagon 5 sided pentagon pentagon in math shape with five sides a pentagon shape regular polygon shapes area pentagon internal angles of a pentagon what shape has five sides construction of the pentagon what has 5 sides regular polygon area regular polygon angles pentagon building design inscribe a pentagon in a circle regular hexagon area pentagon in geometry polygon pentagon construct regular pentagon regular hexagon angles pentagon building shape of a pentagon angles in pentagon figure of pentagon what's a regular polygon the pentagon construction regular pentagon shape measure of a pentagon draw pentagon in circle pentagon drawing method how to draw a pentagon pentagon calculator formula for polygon the pentagon pentagon geometric shape construction of a regular pentagon make a pentagon regular polygon area formula pentagon location where is the pentagon sides pentagon pentagon definition 5 sided polygon what shape has 5 sides what is the pentagon 5 sided shape what is a pentagon how many degrees in a pentagon pentagon structure which shape has 5 sides regular pentagon properties how do you make a pentagon a regular hexagon five sides perimeter of a regular polygon what is pentagon where is the pentagon located how to draw a pentagram pentagon area calculator 5 sided geometric shape formula for no of sides of polygon apothem of a pentagon sides on pentagon perimeter of regular polygon angles of a regular pentagon formula for pentagon definition of pentagon pentagon has how many sides draw regular pentagon all regular polygons regular polygon calculator pentagon diagonals angles of regular polygons regular octagon angles when was the pentagon built diagonals of a pentagon how to draw a octagon perimeter of regular hexagon pentagon perimeter formula for regular polygon define pentagon how to draw pentagon angles in regular polygons radius of a regular polygon pentagon geometric construction construction of pentagon in engineering drawing pentagon equal sides perimeter of pentagon formula sides in pentagon what shape has 5 sides and 5 angles area formula for pentagon pentagon shape angles area of a regular pentagon degrees in a pentagon pentagon shape information a five sided shape polygon regular pentagon how many sides area regular pentagon area regular polygon how many sides on a pentagon angles of a regular hexagon draw a regular pentagon formula for apothem sides in a pentagon interior angles of regular polygons polygon with five sides area of regular pentagon measure of pentagon perimeter of a pentagon formula pentagon vertices regular polygon sides how many sides in a pentagon perimeter of a regular pentagon how many degrees are in a pentagon area formula for a pentagon pentagon figure geometry polygon angle calculator how to draw a heptagon pentagon radius properties of pentagon pentagon triangle irregular pentagon shape regular polygon area calculator diagonals in a pentagon the pentagon shape what is a 5 sided shape right pentagon pentagon 5 sides area for pentagon regular octagon area how many vertices does a pentagon have examples of pentagons

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Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which at least one of its interior angles is greater than 180 degrees. A regular polygon is a polygon whose sides are equal. The interior angle of a polygon is the angle between two sides of the polygon. The exterior angle of a polygon is the angle between a side of the polygon and an outward extension of the adjacent side. For a regular polygon the interior and the exterior angles are equal. #geometry #polygons

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Make a donation: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=LNQ2EWAXTVYX2 How to construct an 5-sided polygon inscribed in a given circle. This YouTube channel is dedicated to teaching people how to improve their technical drawing skills. It focusses on drawing figures from the geometric plane to descriptive geometry and also different systems of technical drawing representation. If you subscribe, click, like or leave a comment you will be helping us to grow our channel and help more people with their technical drawing skills. Thank you in advance. Dubbed by Frank Shaw. Music by Antonio Fernández Ruiz. http://antoniofernandez.es/

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