Circles Part 2 Review

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

• 7/4π
• 7/2π
• 1/8π
• 45π

Alison is jogging on a circular track that has a radius of 140 feet.  She runs along the track from point R to point N, a distance of 230 feet. Find to the nearest degree, the measure of minor arc RN.

• 47
• 74
• 94
• 123

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary
• complimentary
• central
• obtuse

• 60^o

• 157^o

• 50^o

• 493^o

A area between/bounded by two radii of the circle and the arc where the radii meet the circle.

• triangle

• arc length of a circle

• sector of a circle

• segment of a circle

What is the area formula for a circle?

• A = πr²

• A = 2πr

• A = √π

What is this the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

The distance along the edge of a circle between two points is the _________

• area of a sector

• arc length

• arc of a circle

• sector of a circle

Find the area of the shaded sector of the circle.

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• 
• 
• 

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