Parts of a Circle

If my radius is 10ft, what is my diameter?

• 20ft

• 5ft

• 31.4ft

• 62.8ft

Swimming from one side of this pool through the center to the other side is 12 feet. What is the radius of this pool?

• 32 ft

• 6 ft

• 4 ft

• 12 ft

Find the radius of a circle who's diameter is 40 ft.

• 40ft

• 80ft

• 20ft

• 45ft

What is the radius?

• 8 mm

• 4 mm

• 16 mm

Select each Radius in the image.

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

• Radius

• Diameter

• Arc

• circumference

• Radius

• Diameter

• Center

• Chord

What is line BD?

• Chord

• Radius

• Secant

• Tangent

What is H?

• Point of Tangency

• Radius

• Circle

• Tangent

• Secant

• Radius

• Chord

• Tangent