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Earn +20 ptsQ: What is the area of a circle with a radius of 3 inches?
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What is the area of a circle with a radius of 15 inches?
Area = pi*152 = 706.858 square inches to 3 d.p.
What is the area of the circle if the radius is 42 inches?
Area = pi*422 = 5541.769 sq inches to 3 d.p.
What is the radius of a 3 inch circle?
If "3 inches" refers to the circle's diameter, then the radius is one-half of that.
The area of one circle is four times as large as a smaller circle with a radius of 3 inches The radius of the larger circle is?
R = radius of big circle, r = radius of little circle Area of circle = pi x R x R = 4 x pi x r x r = 4 x pi x 3 x 3 Therefore R x R = 36 and so R = 6 inches
What is radius of circle if the diameter is 3 inches?
It is 1.5 inches.
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