Unit 9 Assessment

• 27°

• 54°

• 108°

• 180°

• x = 5

• x = 12

• x = 25

• x = 65

• 40°

• 80°

• 100°

• 160°

Name the center

Name the diameter

Name a radius

Name a chord that is not the diameter

Circle P has a radius of 1 unit. A central angle of Circle P is 225°. What is the length of the minor arc? (Remember: a major arc is an arc that is greater than 180°).

• 4.45 units

• 2.36 units

• 2.23 units

• 1.17 units

Given Circle T where diameter WP has a length of 36 inches, which best represents the area of the shaded sector?

• 45π in²

• 117π in²

• 180π in²

• 468π in²

Carlos bought a pizza that is cut into 8 slices. The pizza has a radius of 10 cm. What is the arc length, to the nearest tenth, for once slice?

• 1.4 cm

• 7.0 cm

• 7.9 cm

• 39.3 cm