Circles test

If the area of a circle is 25 π in² , then the diameter is?

• 10 in

• 5 in

• 25 in

• π in

• 5π in

Tags

Circles

If the circumference of a circle is 22 π ft, what is the radius?

• 22 ft

• 11ft

• π ft

• 22π ft

• 11π ft

Tags

Circles

Solve for x.

Tags

Circles

What is the measure of arc KL?

Tags

Circles

Find the value of x.

Tags

Circles

What is the value for x?

• x=5

• x=7

• x=10.7777

• x=12.888

• x=25

Tags

Circles

Solve for "?"

Tags

Circles

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

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

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