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Earn +20 ptsQ: What is the area of the circle if the radius is 42 inches?
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What is the radius of a 42 inch circle?
21 inches.
What is the area of a circle with a radius of 4 cm?
Area of a circle = pi x (radius)2So, if the radius is 4 cm, the area is pi x 42= 50.265 cm2
Area of a circle with a diameter of 8?
50.2656 square inches The formula to find the area of a circle is ∏r2. Where ∏ is the mathematical constant and r is the radius of the circle. So 3.14 x 42. = 50.27 square cm or yds, (whatever the diameter was in).
What is the radius of a circle with a circumference of 42 meters?
The radius of a circle with a circumference of 42 meters is about 6.685 meters.
What is the length of an arc if we know the radius of curvature is 12 in. and the area of the sector created is 252 in2?
It is 42 inches.
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