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Earn +20 ptsQ: What is the perimeter of semi circle radius 7cm?
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What is the radius of a circle that has a circumference of 44 centimeters?
The radius is 7cm
If a circle has a diameter of 7cm what is the radius?
3.5 cm
What is the circumference of a 7cm circle?
circumference of a circle = 2*pi*radius or diameter*pi
What is the formula for the radius of a circle when the area is 7cm?
r=square root of 7/^
A square is inscribed in a circle of radius 7cm what is the area of the square?
98 cm^2
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