Circles Review

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

Tags

CCSS.HSG.C.B.5

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet.  Find the measure of minor arc AB to the nearest degree.

• 90
• 60
• 55
• 113

Tags

CCSS.HSG.C.B.5

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

Find the area of the dark blue sector shown at the left.  The radius of the circle is 4 units and the length of the arc (the curved edge of the sector) measures 7.85 units.  Express answer to thenearest tenth of a square unit.

• 0.3 square units
• 15.7 square units
• 19.7 square units
• 50.3 square units

Tags

CCSS.HSG.C.B.5

Find the length of the bold arc.

• 61.3ft
• 20.4ft
• 7351.3ft
• 22,068ft

Tags

CCSS.HSG.C.B.5

What is the circumference?

• 50.24
• 96
• 24
• 18

Tags

CCSS.7.G.B.4

What is the circumference?

• 36
• 12.56
• 56.52
• 113.04

Tags

CCSS.7.G.B.4

What is the radius?

• 18
• 72
• 38
• 14

Tags

CCSS.7.G.B.4

What is the area of this circle?

C=πd C=2πr A=πr² π=3.14 or ²²/₇

• 82.13

• 78.5

• 314.16

• 170.12

Tags

CCSS.7.G.B.4

What is the area of this circle?

C=πd C=2πr A=πr² π=3.14 or ²²/₇

• 6082.12

• 1519.76

• 1893.14

• 1292.92

Tags

CCSS.7.G.B.4