Circle Terms
Finding Radius
(find the radius for all)
Finding Diameter (Find Diameter for all)
Finding Circumference(Find Circumference for all)
Finding Area
(Find area for all)
100
The distance from the center of a circle to the outside, also half of the diameter
What is radius
100

The Diameter of this circle is 5 mm

What is 2.5 mm

100

The radius of this is 5 cm

What is 10 cm

100

The diameter for this circle is 10 in

What is 31.4 in

100

The radius of this circle is 2 in

What is 12.56 square inches

200

The distance around a circle

What is the circumference

200

The diameter is 12 cm

What is 6 cm

200

The radius of this circle is 2.5 yd

What is 5 yd

200

The diameter for this circle is 13 cm

What is 40.82 cm

200

The radius of this circle is 3 cm

What is 28.26 square centimeters

300

A circle can be rearranged into this shape

What is a parallelogram?

300

The diameter of this circle is 27 cm

What is 13.5 cm?

300

The circumference of this circle is 15.7 ft

What is 5 ft

300

The diameter of this circle is 25 ft

What is 78.5 ft

300

The radius of this circle is 21 yds

What is 1384.74 square yards

400
The total amount of space inside of a circle
What is the area?
400

The diameter of this circle is 437 ft

What is 218.5 ft?

400

The circumference of this circle is 18.84 in

What is 6 in

400

The radius for this circle is 45 m

What is 282.6 m

400

The radius of this circle is 52.4 mi

What is 8621.6864 square miles

500
3.14 or 22/7
What is pi?
500

The circumference of the circle is 140 inches. Round to the nearest tenth.

What is 22.28 inches?

500

The diameter of this circle is 194.68 cm

What is 62 cm

500

The Diameter for this circle is 3285 in

What is 10314.9 in

500

The radius of this circle is 6955 in

What is 151888158.5 square inches

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