Circle Review

What part of the circle is the arrow pointing to?

• diameter

• radius

• chord

• circumference

What is the radius of the circle?

• 32 cm.

• 8 cm.

• 4 cm.

• 48 cm.

Which of the following describes a circle? Select all that apply.

• A shape with edges and vertices.

• A set of points that are the same distance from a center point.

• A set of points that are different distances from a center point.

• The middle point is called the "center."

A circle has a radius of 5.5 cm. Estimate the circle's circumference.

• 11 cm.

• 16.5 cm.

• 25 cm.

• 33 cm.

What part of the circle is the arrow pointing to?

• diameter

• radius

• chord

• circumference

What is the diameter of the circle?

• 2.25 m.

• 9 m.

• 13.5 m.

• 45 m.

What is the longest chord of a circle?

• diameter

• radius

• circumference

• All chords are the same length.

Estimate the circle's circumference.

• 1.5 ft.

• 2 ft.

• 3 ft.

• 6 ft.

What part of the circle is the arrow pointing to?

• diameter

• radius

• chord

• circumference

What is the radius of the circle?

• 100 mm.

• 50 mm.

• 75 mm.

• 450 mm.