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Earn +20 ptsQ: What is the area of a semicircle whose radius is 5 cm?
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What is the approximate area of a semicircle whose radius is 2Cm?
2pi sq cm
How much bigger is the area of a quadrant of radius 8 cm than a semicircle of a diameter 4 cm?
Twice as big.
What is the approximate area of a circle whose radius is 21 cm?
A circle with a radius of 21 cm has an area of ~1,385.44 square cm
What the lateral area of a cylinder whose radius is 6 cm and height is 20 cm?
A cylinder whose radius is 6cm and height is 20cm has a lateral area of approximately 753.98cm2
What is the area of a circle whose radius is 6 cm?
The area of a circle with radius r is pi*r*r where pi = 3.1416 approx. When r = 6 cm, the area is 113.1 sq cm.
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