Circle Math

The distance from the center of the circle to any point on the circle is called the...

• radius

• diameter

• circumference

• area

The distance all the way around the circle is called the...

• radius

• diameter

• circumference

• area

find the area of the circle with radius 3 cm below.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

What is the radius?

• 18

• 72

• 38

• 14

What is the diameter?

• 8

• 16

• 10

• 4

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

What is the radius of this circle?

• 18

• 10

• 9

• 8

If a circle has a radius of 10 ft. then which statement is true?

• The radius is 5 ft. 

•  The diameter is 5 ft

• The radius is 20 ft.

• The diameter is 20 ft.

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

• Radius

• Diameter