Introduction to Circles

Question 1

Question 5

Revolt · Accepted Answer

79

Question 2

Identify the parts relating to A. What is ? What is ? What is ? What is AC?

Revolt · Accepted Answer

Selection 1: secant; Selection 2: tangent; Selection 3: secant; Selection 4: radius

Question 3

Circle A has a radius of 6. Which circles are congruent to circle A? Check all that apply.

Revolt · Accepted Answer

circle E; circle F

Question 4

Complete the statements about circle Z. A central angle, such as angle of circle Z, is an angle whose vertex is and whose sides are radii of the circle. Angle is not a central angle of circle Z. The degree measure of an arc is the degree measure of the central angle that intercepts it. The measure of is degrees.

Revolt · Accepted Answer

UZV; Selection 1: UZV; Selection 2: the center of the circle; Selection 3: WSX; Selection 4: equal to; Selection 5: 79

Question 5

Complete the statements about circle J. is a and measures degrees. is a and measures degrees.

Revolt · Accepted Answer

minor arc; Selection 1: minor arc; Selection 2: 152; Selection 3: major arc; Selection 4: 298

Question 6

What is m?

Revolt · Accepted Answer

231°

Question 7

Determine the values. The value of x is . The measure of is ⇒ 58 degrees. The measure of is ⇒ 55 degrees.

Revolt · Accepted Answer

Part 1: 5; ⇒ 58: 139; ⇒ 55: 126

Question 8

Which would prove that the circles are similar? Dilate the smaller circle by a factor of . If the circles were not concentric, what additional step would be needed to prove they are similar? one of the circles so that the circles have the same center.

Revolt · Accepted Answer

11/5; Selection 1: 11/5; Selection 2: Translate

Question 9

Question 14

Revolt · Accepted Answer

the center of the circle

Question 10

Question 15

Revolt · Accepted Answer

152

Introduction to Circles Answers

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