anonymoususer5172 anonymoususer5172

31-07-2018
Mathematics

contestada

Find the number of sides of a regular polygon if one interior angle is 140 degrees.

8
9
10

Respuesta :

31-07-2018

The sum of the supplementary exterior angles is 360 degrees.

180 - 140 = 40

360/40 = 9

A nonagon.

Answer: 9

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