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 inches

What is 2.5 inches?

100

The radius of this is 5 meters

What is 10 meters?

100

The diameter for this circle is 10 inches

What is 31.4 inches?

100

The radius of this circle is 2 ft

What is 12.56 feet2?

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 cm

What is 5 cm?


200

The diameter for this circle is 13 feet

What is 40.82 feet?

200

The radius of this circle is 3 inches

What is 28.26 inches2?

300

A line through the circle.

What is diameter?

300

The diameter of this circle is 27 mm

What is 13.5 mm?

300

The radius of this circle is 14 inches

What is 28 inches

300

The diameter of this circle is 25 cm

What is 78.5 cm?

300

The radius of this circle is 21 cm

What is 1,384.74 cm2?

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

The diameter of this circle is 437 cm

What is 218.5 cm?

400

The radius of this circle is 18 cm

What is 36 cm?

400

The radius for this circle is 45 feet

What is 282.6 feet?

400

The radius of this circle is 52.4 mm

What is 8,621.6864 mm2?

500
3.14 or 22/7
What is pi?
500

The diameter of this circle is 0.325 feet

What is 0.1625 feet?

500

The radius of this circle is 0.5 feet

What is 1 foot?

500

The Diameter for this circle is 3285 mm

What is 10,314.9 mm?

500

The radius of this circle is 6,955 feet

What is 151,888,158.5 feet2?

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