Geometry CP - Week 15 (Intro to Circles)

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

• 1

• 2

• 3

• 4

What is the line ( $\leftrightarrow$ ) FG?

• diameter

• radius

• secant

• tangent

What is the ray ( $\overrightarrow{DB}$  )?

• center

• chord

• secant

• tangent

What is $\overrightarrow{DH}$  ?

• arc

• diameter

• radius

• secant

What is $\overline{AC}$  ?

• chord

• diameter

• radius

• tangent

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

• Circle D

• Circle E

• Circle F

• Circle G

• Circle H

A central angle, such as angle ______ of circle Z, is an angle whose vertex is ___________________ and whose sides ae the radii of the circle.

• WSX, the center of the circle

• UZV, the center of the circle

• WSX, on the circle

• UZV, outside of the circle

Angle ________ is not a central angle of circle Z.

• TZU

• TZV

• VZX

• WSX

The degree measure of an arc is _________ the degree measure of the central angle that intercepts it.

• equal to

• half

• twice

The measure of  $\overline{TU}$   is _______ degrees.

• 42

• 79

• 100

• 180