Unit 6 Test

Calculate the length of the bold arc.

• 49.7 ft

• 15.8 ft

• 24.9 ft

• 3.14 ft

Calculate the length of the bold arc.

• 5040 cm

• 43 cm

• 44 cm

• 14 cm

Find the circumference of the circle with a 7 unit radius.

• 87.82

• 153.86

• 43.98

• 307.72

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Find the area of the sector. Leave your answer in terms of pi.

• $6\pi$

• $96\pi$

• $256\pi$

• $2160\pi$

• x = 160
• x = 40
• x = 80
• x = 360

Solve for x. 

• 5
• 20
• 40
• 85

Find the value of x.

• 10
• 181
• 34
• 40

Write an algebraic equation and solve for x.

• 2

• 3

• 4

• 5

• A

• B

• C

• D