Grade 4 Circle Vocabulary

What is the distance around a circle called?

• Diameter

• Radius

• Circumference

• Area

What do you call a line that goes from one point on the circle through the center to another point on the circle?

• Chord

• Diameter

• Radius

• Secant

What is the term for the distance from the center of the circle to any point on the circle?

• Diameter

• Circumference

• Radius

• Arc

If the diameter of a circle is 8 inches, what is the radius?

• 4 inches

• 8 inches

• 16 inches

• 2 inches

The diameter of a circle is ____________ the radius.

• half

• double

• equal to

• three times

If the radius is 4 inches. How many inches is the diameter?

• 4in.

• 6 in.

• 2 in.

• 8 in.