Find the radius from the circumference
Work backwards: undo the formula to find the radius.
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A circle has a circumference of 263.76 cm. Use π = 3.14. What is its radius, in cm?
Answer: 42
A circle has a circumference of 232.36 cm. Use π = 3.14. What is its radius, in cm?
Answer: 37
A circle has a circumference of 150.72 cm. Use π = 3.14. What is its radius, in cm?
Answer: 24
Tip: Work backwards: undo the formula to find the radius.
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