Question

Just need a confirmation.

Answer 1

what is the sum of the measures of the interior angles of an 11-gon?

A.
1800°

B.
2340°

C.
1980°

D.
1620° <----- I think its D

Answer 2

Use the formula:

180 * (n - 2)

Where 'n' is the number of sides. So we plug in 11:

180 * (11 - 2)

180 * (9)

180 * 9 = ?

Answer 3

Yes, it equals 1620..D is correct.

Answer 4

1620.

Answer 5

:P

Answer 6

Thanks! :)