Circle Arcs, Chords and Central Angles

The line segment between the center and a point on the circle

• Radius

• Diameter

• Chord

• Tangent

• Perpendicular Bisector

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees. 

• It measures less than 180 degrees.

• Its always half the angle

Tags

CCSS.HSG.C.B.5

Which arcs are minor arcs?  Check all that apply.

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Which arcs are semicircles?  Check all that apply.

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What best describes segment AB?

• chord

• secant

• tangent

• diameter

• radius

Find the measure of the indicated angle.

• 42 degrees

• 51 degrees

• 36 degrees

• 45 degrees

• 72 degrees

Tags

CCSS.HSG.C.A.2

Find m∠PRQ.

• 39°

• 90°

• 51°

• 15°

• 102°

Tags

CCSS.HSG.C.A.2

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

• 5/3π

• 9π

• 8/3π

• 6π

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

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees.  What is the length of the arc from her dog house to the hydrant, following minor arc DG.

• 40π feet

• 35π feet

• 11π feet

• 22π feet

Tags

CCSS.HSG.C.B.5