Circle Key Terms

The distance halfway across the circle is called the...

• radius

• diameter

• circumference

• area

Which number best represents a radius?

• 1

• 2

• 6

• 9

Tags

CCSS.HSG.C.A.2

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

Tags

CCSS.HSG.C.A.2

Identify the angle highlighted in pink

• center of the circle

• minor arc

• central angle

• inscribed angle

Tags

G.GCI.4

G.GCI.2

What is being represented in the image?

• Inscribed Angle

• Interior Angle

• Secant

• Radius

Tags

CCSS.HSG.C.A.2

The radius is __________ the diameter

• Half

• Double

• Equal to

• The area of

Tags

CCSS.HSG.C.A.2

A segment with 2 endpoints on the circle.

• Chord

• Diameter

• Radius

• Inscribed Angle

What is diameter?

• a straight line going from the center point of a circle to the outer edge

• a straight line going from the outer edge of a circle to the other outer edge

• a curved line that goes complete around the outside of a circle

• the area inside a circle

Tags

CCSS.HSG.C.A.2

The diameter is ___________ the length of the radius.

• twice

• half

• three times

• equal to

Tags

CCSS.HSG.C.A.2

True or False: The diameter is being pictured here.

• True

• False