Circumference, Area and Degrees

The distance around the circle (perimeter)

• Circumference

• Area

• Circle

• Length

A segment of the circumference of a circle.

• Arc

• Tangent

• Major Arc

• Tangent

The portion inside of the circle

• Area

• Circumference

• Angle

• Arc

What is the area of this circle?

• 1385.44

• 2142.12

• 5541.77

• 1289.12

What is the area of this circle?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

What is the area of this circle?

• 15393.8

• 1248.12

• 5930.12

• 3848.45

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 exact area of the shaded space.
Think: What does exact mean?

• 36π units squared

• 48π

• 157.82 units squared

• 10. 92 units squared

What is the area of the shaded region? Round to the nearest hundredth.

• 26 units

• 452.39 units

• 113.10 units

• 40715.04 units

Find the area of sector.