Unit 4 Test A Recovery

A segment that connects the center of a circle with a point on the circle.

• tangent
• secant
• diameter
• radius

A line that touches a circle in just one point.

• tangent
• chord
• secant
• radius

A minor arc measures more than 180 degrees.

• True
• False

What is the measure of angle 2?

• 80
• 45
• 125
• 40

What is the measure of angle 1?

• 130
• 65
• 44
• 86

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.

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

• 7/4π
• 7/2π
• 1/8π
• 45π

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, to the nearest foot.

• 40
• 35
• 55
• 69

Tags

CCSS.HSG.C.B.5

What is the value of x?

• 75
• 90
• 150
• 180

Tags

CCSS.HSG.C.A.2

What is the value of w?

• 75
• 105
• 150
• 210

Tags

CCSS.HSG.C.A.2