Question

2) The ratio of an exterior and an interior angle of regular polygon at a vertex is 2 : 7, the number of sides of the regular polygon is __________ *

Answer 1

Answer: the sides have to be the same length so an equilateral triangle a square a rhombus get what i am saying

Answer 2

Ext=2x

Int=7x

Int+ext=180

2x+7x=180

9x=180

x=20

Ext=2×20=40

No of sides =360/40

=9 sides.

I hope this helped you

Explanation: