Circles Review/ Study Guide

What is the area of this circle?

• 4π

• 8π

• 16π

• π

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 as an exact value

• 5π/3

• 10π/3

• 10π

• 40π

Tags

CCSS.HSG.C.B.5

How many degrees are in a circle?

• 90
• 180
• 270
• 360

Tags

CCSS.HSG.CO.A.1

CCSS.4.MD.C.5B

Find the arc length.

• 5.50 cm
• 11.00 cm
• 0.39 cm
• 141.37 cm

Tags

CCSS.HSG.C.B.5

In the equation (x+2)²+(y-3)²=4, the radius of the circle is...

• 4
• 2
• 3
• 16

Tags

CCSS.HSG.GPE.A.1

What is the length L called?

• circumference

• tangent

• arc

• sector

Tags

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.1

CCSS.HSG.GMD.A.1

What is the green area called?

• sector

• segment

• arc

• section

Tags

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.1

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

The diameter of a circle has length 12. The center is at (-5, 2). Give the equation of the circle.

• (x - 2)² + (y + 5)² = 36

• (x - 5)² + (y + 2)² = 6

• (x + 5)² + (y - 2)² = 36

• (x + 2)² + (y - 5)² = 6

Tags

CCSS.HSG.GPE.A.1

Which graph corresponds to

(x-8)²+ (y+2)²=4

• A

• B

• C

• D