Question

What is the sum of the measures of the interior angles of a regular polygon where a single exterior angle measures 72°?

Answer 1

@sauravshakya

Answer 2

\[\textbf{HINT}\]\[\rm 180 - interior~angle = exterior~angle\]

Answer 3

Can you use that hint?

Answer 4

no not really i haven't done this in a while so now i forget everything :/

Answer 5

Let the interior angle be \(x\).\[180 - x = 72\]

Answer 6

i got 108

Answer 7

is that right?

Answer 8

Yes!

Answer 9

oh ok thanks for your help