11.2: Areas of Circles and Sectors

What is the area of this circle?

• 4π

• 8π

• 16π

• π

Tags

CCSS.7.G.B.4

What is/are the formula(s) to find the area of a circle?

• πr²

• 2πr

• √π

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52 in²

• 254.47 in²

• 1017.36 in²

• 113.04 in²

Tags

CCSS.7.G.B.4

The largest cookie ever baked had an area of 8,171 ft². Which of these is the closest to the radius of the cookie?

• 60 ft

• 51 ft

• 42 ft

• 102 ft

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has an area of 50 meters. Which is closest to the window's diameter?

• 6 m

• 3 m

• 8 m

• 10.5 m

Tags

CCSS.7.G.B.4

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.

Tags

CCSS.HSG.C.B.5

Given circle P, m $\angle$ RPT = 130°, and PT = 18 cm.
Solve for area of the shaded sector.

• 367.57  cm²

• 207.23 cm²

• 324.08 cm²

• 182.67  cm²

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector. Use 3.14 for pi. Round to the nearest tenth.

• 7.9 units ²

• 24.7 units²

• 10.6 units²

• 98.9 units²

Tags

CCSS.HSG.C.B.5

A region bounded by two radii of the circle and their intercepted arc is a ...

• arc of a circle

• sector of a circle

• arc length of a circle

• segment of a circle

Tags

CCSS.HSG.C.B.5

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the exact area of the rest of Pacman's body?

• (464/9)π mm²

• (112/9)π mm²

• (116/9)π mm²

• (28/9)π mm²

Tags

CCSS.HSG.C.B.5