Question

The number of times interior angle of a regular Pentagon is that of the exterior angle of a regular decagon is :(a) 4 (b) 5 (c) 3 (d) 2

Answer 1

Hello Dear!!!!

Here's your answer...

The exterior angle of a regular decagon is 36

The interior angle of a pentagon is 108

108/36

3

3 times the exterior angle of decagon is equal to one interior angle of pentagon

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Answer 2

The exterior angle of a regular decagon = 36° .
The interior angle of a pentagon = 108° .
Now ,
108/36
3 .
Three times the exterior angle of a decagon is equal to one interior angle is pentagon .

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