Question

Determine the sum of the measures of the interior angles of the specified polygon.

A dodecagon

A. 1440°

B. 1620°

C. 2160°

D. 1800°

Answer 1

Hint: triangle: 180, 4-sided figure: 360, 5 sides: 540, 6 sides: 720,...

Answer 2

http://openstudy.com/study#/updates/50454cbde4b0a71fb32b3965

Answer 3

use the formula \[180(n-2) = \text{total interior angle}\]
where n is the number of sides

for dodecagon..the number of sides is 12

Answer 4

ty!