Question

what is the sum of the measures of the interior angles of an dodecagon

Answer 1

No. of sides in dodecagon = 12

Formula for the sum all interior Angles on quadrilateral with side n is 180(n-2)

So,
180(12-2)
180 x 10 = 1800°

Answer is 1800°

Answer 2

Answer: 1800 degrees

Step-by-step explanation: