Introduction to Circles

Question 1

Which circle C shows a chord that is not a diameter?

Revolt · Accepted Answer

[Image: Circle C is shown. A line goes from one point on t...]

Question 2

centerchordsecant✔ tangent

Revolt · Accepted Answer

tangent

Question 3

arcdiameterradius✔ secant

Revolt · Accepted Answer

secant

Question 4

chorddiameter✔ radiustangent

Revolt · Accepted Answer

radius

Question 5

42✔ 79100180

Revolt · Accepted Answer

79

Question 6

diameterradius✔ secanttangent

Revolt · Accepted Answer

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

Question 7

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 8

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; A central angle, such as angle of circle Z, is an angle whose vertex is and whose sides are radii of the circle.: UZV; A central angle, such as angle of circle Z, is an angle whose vertex is and whose sides are radii of the circle.: the center of the circle; Angle is not a central angle of circle Z.: WSX; The degree measure of an arc is the degree measure of the central angle that intercepts it.: equal to; The measure of is degrees.: 79

Question 9

Which statements are correct? Check all that apply.A chord is sometimes a radius.A diameter is always a chord.A tangent is never a secant.A chord can be longer than a diameter of the same circle.A chord can be shorter than a radius of the same circle.A radius is always congruent to another radius of the same circle.

Revolt · Accepted Answer

A diameter is always a chord.; A tangent is never a secant.; A chord can be shorter than a radius of the same circle.; A radius is always congruent to another radius of the same circle.

Question 10

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

Revolt · Accepted Answer

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

Introduction to Circles Answers

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