Can someone please tell me the answers to this

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.

Quadrilateral abcd is translated up and to the right, and then rotated about point q. which congruency statement is correct?