Area of Circles and Sectors and Segments

Area of Circles and Sectors and Segments

By Deb Scott

Multiple Choice

What is formula for area of circle?

• $$A=\pi d$$

• $$A=\pi r^2$$

• $$A=2\pi d$$

Area of Circles

Multiple Choice

What is the area of this circle?

• 82.13 m²

• 78.50 m²

• 314.16 m²

• 170.12 m²

Multiple Choice

Madalyn's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²

Area of a sector

Area of a sector

Multiple Choice

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.

Multiple Select

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure