1. The interior angles of a pentagon can be expressed as a, 2a, 3a, 3a, and 3a. What is the measure of the largest angle?a. 45°
b. 90°
c. 135°

2. Using addition property of equality, what is the answer in the equation "3x = 360° - 180°"?
a. 3x = 180°
b. 3x = 360°
c. 3x = 540°

3. To create a construction by hand, which of the following is the tool that you can use?

a. Cement
b. Paper
c. Water

4. If ∠2 measures 75°, find the measures of angles 1 and 3 given that they are congruent.

a. 37.5°
b. 75°
c. 90°

5. What property of equality did we use in the equation "(2y = 40°)/2" ?

a. Addition Property of Equality
b. Multiplication Property of Equality
c. Division Property of Equality

6. The measures of the four angles of a pentagon are 67°, 92, 111° and 140°, respectively. Find the measure of the fifth angle.

a. 120°
b. 130°
c. 140°​