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Class 12 Tuition > Learn Class XI-XII Tuition (PUC) > What is the area of Pentagon?
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What is the area of Pentagon?

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You can find it very easy I just posted a link here just visit, it shows a very easy way http://www.wikihow.com/Find-the-Area-of-a-Pentagon
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Mathematics Coach

The pentagon must be a regular one; otherwise it is not possible to give an expression for the area. A regular pentagon consists of 5 congruent isosceles triangle with base equal to a, the side of the pentagon and the vertical angle equal to 72 degree (at the centre of the regular pentagon). The height...
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The pentagon must be a regular one; otherwise it is not possible to give an expression for the area. A regular pentagon consists of 5 congruent isosceles triangle with base equal to a, the side of the pentagon and the vertical angle equal to 72 degree (at the centre of the regular pentagon). The height of each triangle is a/2 cos 36(degree). Hence area of each triangle is 1/2 base X height =a^2/4 cot 36 (degree) sq. units. Thus, the area of the polygon is 5a^2/4 X cot 36 (degree) sq. units. read less
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Physics Enthusiast, Teaching with Fun

A=1/4. underroot(5(5+2.underroot of 5))a^2
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Maths expert

Divide the triangle in 5 triangle and find the area of each triangle and add the areas to get area of pentagon.
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Maths expert

Sides are equal and also equal to its altitude.
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Mathematics Expert

A pentagon is a polygon with five straight sides. Almost all problems you'll find in math's class will cover regular pentagons, with five equal sides. There are two common ways to find the area, depending on how much information you have
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School tutor/Engineer and IIT tutor

The Area of a Regular Pentagon = 5 x Area of one Equilateral Triangle *From centre of Pentagon draw line to each corner of Pentagon which will give 5 Triangles of equal area i.e. 5 Equilateral Triangles. Hence 5 times area of one triangle gives area of Pentagon
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Mathematics, Physics, Chemistry, Electronics & Commujnication

Area of Pentagon whose vertices are (x1,y1),(x2,y2),(x3,y3),(x4,y4),(x5,y5) then Area of Pentagon=||
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Mathematics, Physics, Chemistry, Electronics & Commujnication

Area of Pentagon =|| Vertices of Pentagon is (x1,y1),(x2,y2),(x3,y3),(x4,y4),(x5,y5)
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Area of Regular Polygon = (N*S*S*Cot(180/N))/4 where N is number of sides and S is the length of each side
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