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Earn +20 ptsQ: What is the circumference of a 7 inch radius?
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What is the radius of a circle with a 21 inch circumference?
the radius is 10.5 inches. * * * * * Wrong! Circumference = 2*pi*Radius Or, Radius = Circumference/(2*pi) So circumference = 21 inches implies radius = 3.34 inches (to 3 sf)
What is the outside circumference of a 36 inch pipe?
The answer depends on what the "36 inch" measures: inside circumference, radius, diameter?
What is the circumference of a 24 inch wheel?
Circumference = 2*pi*radius or diameter*pi
What is the radius of a circle whose circumference is 43.96 inches?
The radius is 7 inches.
What is the area of a circle if its circumference is 14π?
Circumference is 2π times the radius. So, for 14π the radius is 7. Area is πr2, so the area of a circle with radius 7 is 72π, or 49π (153.93).
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