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Earn +20 ptsQ: What is the radius of a circle with a circumference of 21 units?
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What is the circumference of a circle whose radius is 21 meters?
A circle with a radius of 21 meters has a circumference of 131.95 meters.
How many inches is the circumference of a circle if its radius is 21 inches?
C = 131.95 inches.
What is diameter of a 21 circumference?
Diameter of circle: 21/pi = 6.685 units rounded to 3 decimal places
What is the perimeter of 21 mi of a circle?
The perimeter of a cirlcle is its circumference which is: 2*pi*radius or diameter*pi
What is pi times radius squared?
Area of a circle = pi*radius2 in square units
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