Question

ABCDE is
a
regular Pentagon.
Then find a,b and c:
​

Answer 1

Answer

If it is a regular pentagon so all exterior angles Are equal and we know that sum of exterior angles of any pentagon is 360  degree

So each exterior angle be 360/5=72 degree

If each exterior angle be 72 so each interior angle = 180-72 =102

Now you can easily find a,b,c through pythogores theorum

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