Elspeth knows that pi x r = 9.42 cm. What would she need to do to find the circumference?
She could multiply 9.42 by 2.
She could multiply 9.42 by pi.
She could divide 9.42 by 2 to find the radius, then square the radius.
She could divide 9.42 by pi to find the radius, then multiply 9.42 by the radius.
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