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avatar+214 

help.

 Jun 28, 2018
 #1
avatar+94545 
+2

This is a regular heptagon (7-sided figure )

 

It will be composed of 7 congruent isosceles triangles.....

 

Their  equal sides will be 5  and the  included  angle between these  sides = (360 / 7)° 

 

The  area  is given by

 

7 ( 1/2) 5^2 *  sin  (360 / 7)°   ≈  68.4  units^2

 

 

cool cool cool

 Jun 28, 2018
 #2
avatar+214 
+1

Thx 😄😄😄

chitsuii  Jun 28, 2018

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