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Earn +20 ptsQ: What is the radius if the diameter is 20 cm?
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What is the area of a circle with a radius of 20cm and a diameter of 50cm?
This cannot be properly answered because a 20 cm radius equates to a 40 cm diameter. Also, a 50 cm diameter means a 25 cm radius.
What is the diameter of a cylinder that has a volume of 12320 cu cm and a height of 20 cm?
Radius: square root of (12320/20*pi) = 14.00281721 cm Diameter: 28.00563442 cm
What is the radius of a circle with a diameter of 15 cm?
The diameter of a circle is twice its radius. Thus the radius of a circle is half its diameter. → a circle with a diameter of 15 cm has a radius of 15/2 cm = 7.5 cm
What is the diameter of a circle whose radius is 8 cm?
Diameter = Radius * 2 In this case, radius = 8 cm so diameter = 16 cm
What is a circle's diameter if the radius is 7 cm?
The diameter of a circle is double the radius. So a circle with a radius of 7 cm has a diameter of 14 cm.
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