We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
198
2
avatar+214 

help.

 Jun 28, 2018
 #1
avatar+102422 
+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

15 Online Users