circles unit

Select each Radius in the image.

A chord that passes through the center of the circle is called the...

• Radius

• Diameter

• Arc

• circumference

The distance across a circle through the center is called the_______________.

• radius
• circumference
• diameter
• area

A line segment that joins two points on a curve is called_________________.

• radius
• chord
• diameter
• circumference

Name the pictured part of the circle.

• Radius

• Central Angle

• Diameter

• Center

• Arc

Name the pictured part of the circle.

• Diameter

• Sector

• Radius

• Chord

• Arc

What is the measurement around the outside of a circle called?

• Diameter

• Circumference

• Radius

• Center

Solve for x.

Assume that line which appear tangent are tangent.

• 5

• 6

• 8

• 7

Solve for x.

Assume that line which appear tangent are tangent.

• 22

• 16

• 21

• 17

Find the length of BC.

• 2
• 3
• 9
• 14