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Earn +20 ptsQ: What is diamerter of a circle with a 4.2 cm radius?
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What is the diameter if the radius is 42 cm?
In the case of a circle, or spehere, the diameter is twice the radius.
What is area of a circle when radius is 4 cm?
Area = pi*42 = 50.26548246 or about 50 square cm
If the circumference of a circle is 12 cm what is the radius?
If the circumference of a circle is 12 cm the radius is: 1.91 cm
What is the circumference of a circle with a 0.5 cm radius?
A circle with a radius of 0.5 cm has a circumference of 3.14 cm.
What is the circumference of a circle with a radius of 7.7 cm?
A circle with a radius of 7.7 cm has a circumference of 48.38 cm
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