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 10 cm
What is 5 cm ?
100
The radius of this is 11 m
What is 22 m ?
100
The diameter for this circle is 10 ft.

What is 10π ft. ?

100
The radius of this circle is 3 in.

What is 9π in2 ?

200
The longest chord in a circle
What is the Diameter ?
200
The diameter is 11 ft.
What is 5.5 ft. ?
200
The radius of this circle is 3.7 cm
What is 7.4 cm ?
200
The diameter for this circle is 15.3 in.

What is 15.3π in. ?

200
The diameter of this circle is 12 mm

What is 36π mm2 ?

300
The perimeter of a circle
What is circumference ?
300

The circumference of this circle is 28π in.

What is 14 in.?
300

The circumference of this circle is 16π in.

What is 16 in. ?
300
The diameter of this circle is 25 cm
What is approximately 78.54 cm ?
300
The radius of this circle is 21 m

What is approximately 1385 m2 ?

400
The total amount of space inside of a circle
What is the area?
400
The circumference of this circle is about 25.13 mm
What is 4 mm?
400
The circumference of this circle is about 18.85 miles
What is 6 miles ?
400
The radius for this circle is 45 yds.

What is 90π yds.?

400
The diameter of this circle is 104.8 ft.

What is approximately 8626 ft2 ?

500
3.14 or 22/7
What is pi?
500

The area of this circle is 121π  cm2

What is 11 cm ?
500

The area of this circle is 81π  mm2

What is 18 mm ?
500

The area for this circle is 1600π ft2

What is 80π ft. ?

500

The circumference of this circle is 13910π  cm

What is 48372025π  cm2 ?

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