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Circumference
Radius
formulas
Diameter
100
If the diameter of a circle is 7, what is the circumference?
21.98
100
What is the radius of a circle, if the circumference is 47? (Round to the nearest hundredth)
7.48
100

What is the formula for the circumference of a circle, when using the radius?

radius x 2 x pi.

100

If the circumference of an area is 942, what is the diameter?

300

200
If the diameter of a circle is 19, what is the circumference?
59.66
200
If the diameter of a circle is 0.1987, what is the radius? (Round to the nearest tenth)
0.1
200

What is the formula to find the circumference of a circle when provided with the diameter.

pi x diameter

200
If the radius of a circle is 347, what is the diameter?
694
300
If the diameter of a circle is 26, what is the circumference?
81.64
300
If the circumference of a circle is 74.5, what is the radius? (Round to the nearest hundredth)
11.86
300

How do you find the radius of a circle when provided with diameter?

divide the diameter by 2.

300
If the radius of a circle is .0197, what is the diameter?
0.0394
400
If the radius of a circle is 33, what is the circumference?
207.24
400
If the diameter of the circle is 82.421, what is the radius?e
41.2105
400

How do you find the diameter of the circle when provided with the radius?

Multiply the radius by 2.

400

What is the diameter of a circle if the radius is 7.67?

15.34

500
If the radius of a circle 98, what is the circumference?
615.44
500
If the circumference of a circle is 786.9027, what is the radius? (Round to the nearest tenth)
125.3