Areas and Arcs

In a​ circle, a 90° sector has area 64π in². What is the radius of the​ circle?

• 16 in

• 32 in

• 64 in

• 128 in

Tags

CCSS.HSG.C.B.5

Find the given angle.

• 59°

• 78°

• 43°

• 242°

Tags

CCSS.HSG.C.A.2

The region bounded by two radii and an arc is called .............. of the circle.

• segment

• sector

• circular region

• major segment

Area of segment of a circle =

• Area of circle - area of sector

• Area of sector - area of circle

• Area of triangle - area of sector

• Area of sector - area of triangle

Tags

CCSS.HSG.C.B.5

Any portion of circumference is ..........

• sector of circle

• segment of circle

• an arc of circle

• chord of circle

• area of the half of the circle

• area of the quadrant of the circle

• area of three quadrant of the circle

• area of the circle

Tags

CCSS.HSG.C.B.5

Calculate the length of the bold arc.

• 49.7 ft

• 15.8 ft

• 24.9 ft

• 3.14 ft

Tags

CCSS.HSG.C.B.5

FIND THE ARC LENGTH OF THE BOLDED ARC

• A

• B

• C

• D

Tags

CCSS.HSG.C.B.5

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

• 26 units²

• 452.39 units²

• 113.10 units²

• 40,715.04 units²

Tags

CCSS.HSG.C.B.5

Find the area

• 96 cm²

• 48 cm²

• 36 cm²

• 48 cm

Tags

CCSS.6.G.A.1