8th Grade Module 3 Eureka Review

Find the missing side length in the triangle.

• 10

• 5

• 14

• 6

Find the length of MR in the triangle.

• 17.8

• 21

• 22.5

• 30

What is the scale factor that takes triangle ABC to triangle A'B'C'?

• 2

• 3

Are the following triangles similar? Triangle ABC with angles 81°, 60°, and triangle DEF with angles 40°, 81°.

• Yes

• No

A rectangular parking lot has a length of 84 feet and a width of 56 feet. Which of the following could be used to find the diagonal distance across the parking lot?

• 84² - 56² = c²

• (84 + 56)² = c²

• 84² + 56² = 56²

• 84² + 56² = c²

Find the missing side length of the right triangle with sides 24 ft and 25 ft.

• 7 ft

• 9 ft

• 15 ft

• 18 ft

Which of the following shows the sides of a right triangle labeled correctly?

• A

• B

• C

• D

Find the missing side length of the right triangle.

• 10.3 in.

• 15 in.

• 13.4 in.

• 18 in.

Jack has a 35-foot ladder leaning against the side of his house. If the bottom of the ladder is 21 feet away from his house, how many feet above the ground does the ladder touch the house?

• 28 feet

• 29 feet

• 30 feet

• 31 feet

Which of the following three sets of lengths could be used to form a right triangle?

• 39, 15 and 36

• 12, 8 and 4

• 13, 17 and 9

• None of the above