Basic Circles

Which of the following names a diameter?

Which of the following names a radius?

• Arc BC

• Arc ABC

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

A chord is a segment that connects ___________

• the center to the endpoint

• to one point outside the circle

• a central angle

• 2 points on the circle

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

• Radius

• Diameter

If the diameter of a circle is 10 cm, the radius is 5 cm.

• TRUE

• FALSE

Tags

CCSS.7.G.B.4

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

• radius

• diameter

• circumference

• area

Tags

CCSS.HSG.C.A.2

What is AB?

• diameter

• center

• circumference

• radius

What is CB?

• diameter

• center

• circumference

• radius

Tags

CCSS.HSG.C.A.2

A given point directly in the middle of a circle.

• Radius

• Diameter

• Center

• Point