Unit 7 Practice Test

The image shows a circle centered at A. Angle DAB measures 65 degrees. What is the measure of angle DCB?

• 32.5

• 65

• 130

• 45

Tags

CCSS.HSG.C.A.2

The image shows a quadrilateral inscribed in a circle. Select all true statements.

• Arc DEB measures 85 degrees.

• Arc CDE measures 196 degrees.

• Angle BED measures 95 degrees.

• Angle CDE measures 98 degrees.

• The sum of the measured of the arcs from B to D, one passing through C and the other passing through E, is 360 degrees.

Tags

CCSS.HSG.C.A.2

The image shows two circles. The circle with center B is a dilation of the circle with center A using scale factor 3.

• The circumference of the circle centered at B is greater than the circumference of the circle centered at A by a factor of 3.

Tags

CCSS.7.G.A.1

Line BC is tangent to the circle centered at A. Find the measure of angle BCA. Type only the number.

Tags

CCSS.HSG.C.A.2

A circle has a radius of 30 meters and a central angle that measures 210 degrees. Find the length of the arc defined by this central angle.

Tags

CCSS.HSG.C.B.5

Several different cakes are for sale. The cake comes in piece shaped like sectors of a circle. All of the pieces are the same height. Kiran bought a wedge with a central angle of 85 degrees and a radius of 6 inches. What is the area of the top surface of this piece?

Tags

CCSS.HSG.C.B.5

Several different cakes are for sale. The cake comes in piece shaped like sectors of a circle. All of the pieces are the same height. Lucy bought a wedge with a central angle of 105 degrees and a radius of 12 inches. What is the area of the top surface of this piece?

Tags

CCSS.HSG.C.B.5