Geometry Chapter Circles

Which of the following are true

• DC is a chord

• AD is a radius

• BC is an arc

• GE is a radius

A chord that contains the circles center

• radius

• Diameter

• Arc

Label True or false.

A similarity transformation that maps one circle onto another must include a reflection.

• true

• false

Tags

CCSS.8.G.A.3

There is no similarity transformation that will map one circle onto another.

• true

• false

Tags

CCSS.8.G.A.3

What is the equation of the circle shown in the graph?

Mathematical Equivalence

ON

Tags

CCSS.HSG.GPE.A.1

Label each of the following.

d

c

b

a

Secant

Radius

Chord

Tangent

True or False

All circles are similar.

• true

• false

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

A chord that passes through the center of the circle is a ________.

• chord

• diameter

• radius

• tangent

Tags

CCSS.HSG.C.A.2

Find x

• 10

• 5

• 18

• 9

Tags

CCSS.HSG.C.A.2

Is line AB tangent to the circle?
Hint:  is a right triangle formed?

• YES

• NO
  NO

• Can't Tell
  Can't Tell

Tags

CCSS.HSG.C.A.2