2/16 Warm up Quiz on Length and Sector Area

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

Calculate the area of the sector.

• 4248 m²

• 7.9 m²

• 2827.4 m²

• 11.8 m²

Calculate the area of the sector.

• 9.2 sq. in.

• 10.5 sq. in.

• 31.4 sq. in.

• 38.2 sq. in.

Find the area of the shaded sector of the circle.

• 
• 
• 
• 

Find the area of the shaded space.

• 113.10 units squared
• 150.80 units squared
• 157.82 units squared
• 10.92 units squared

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

What is the length L called?

• circumference

• tangent

• arc

• sector

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees.  Find the length of minor arc AB to the nearest integer.

• 5
• 8
• 9
• 12

What is the area of the shaded region?

• 144 - 9π
• 144 - 4π
• 144 - 3π
• 144 - 36π

What is the green area called?

• sector

• segment

• arc

• section