Lesson 3 Prove It! Practice Understanding
Find the values that will make the equations true.
1.
2.
3.
4.
5.
6.
7.
8.
Use the figure for problems 9–11.
9.
Is quadrilateral
10.
Is quadrilateral
11.
Is quadrilateral
12.
Classify quadrilateral
Find the exact perimeter of each figure. Then round your answers to the nearest thousandths place.