A-regular-polygon-of-2k-1-sides-has-140-as-the-size-of-each-interior-angle-Find-k-

Question Number 58567 by olalekan2 last updated on 25/Apr/19

A r e g u l a r p o l y g o n o f (2 k + 1) s i d e s

h a s 140 a s t h e s i z e o f e a c h i n t e r i o r

a n g l e . F i n d k

Commented by mr W last updated on 25/Apr/19

(2 k + 1) (180 - 140) = 360

2 k + 1 = 9

k = 4

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