29. In the figure below, line m is parallel to line n, and line t is a transversal crossing both m and n. Which of the following lists have 3 angles that are all equal in measure?
A. a, b, c B. a, c, d C. a, c, e D. b, c, d
30. How many diagonals can be drawn in a regular hexagon?
a. 7 b. 8 c. 9 d. 10
31. A hexagon has 5 angles with measures of 142, 84, 123, 30, and 90. What is the measure of the 6th angle?
a. 250° b. 251° c. 360° d. 720°
32. What is the sum of the interior angles of a polygon with 12 sides?
