Spring Final Review

Find the measure of one interior angle in a regular 7-gon. Round your answer to the nearest tenth if necessary.

• 128.6°

• 120°

• 135°

• 140°

Find the measure of one exterior angle in each regular polygon. Round your answer to the nearest tenth if necessary.

• 24°

• 30°

• 18°

• 12°

The triangles in each pair are similar. How do you know they are similar?

• AA Similarity

• SSS Similarity

• SAS Similarity

• They are not similar

Solve for x. The triangles in each pair are similar.

Mathematical Equivalence

ON

Find the missing side of each triangle. Leave your answers in simplest radical form.

Mathematical Equivalence

ON

Find the missing side of each triangle. Leave your answers in simplest radical form.

• x = 2√30

• x = 2√15

• x = 6√10

• x = 8√7

Find the missing side lengths. Leave your answers as radicals in simplest form.

• x = 2, y = 4

• x = 2√2, y = 2√2

• x = 4, y = 4

• x = 4√2, y = 4√2

Find the missing side lengths. Leave your answers as radicals in simplest form.

• x=8, y = 4√3

• x=4, y = 2√3

• x = 4√3, y=8

• x=3, y = 8

Find the missing side lengths. Leave your answers as radicals in simplest form.

• u = 3, v = 3√3

• u = 6, v = 12√3

• u = 3√3, v = 3

• u = 12√3, v = 6

Find the missing side lengths. Leave your answers as radicals in simplest form.

• x = 7√2, y = 7

• x = 7, y = 7√2

• x = 7, y = 14

• x = 7√2, y = 7√2