Tick (✓) the correct answer:


Tick (✓) the correct answer:

Each interior angle of a polygon is 108°. How many sides does it have?

(a) 8

(b) 6

(c) 5

(d) 7


(c) 5

Each interior angle for a regular $n$-sided polygon $=180-\left(\frac{360}{n}\right)$



$\Rightarrow n=\frac{360}{72}=5$

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