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USPshnik [31]
3 years ago
7

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 po

lygon is __________ *
Mathematics
2 answers:
mina [271]3 years ago
8 0

Answer:

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

Step-by-step explanation:

NemiM [27]3 years ago
3 0

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

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