Question

The equation is the formula that relates the circumference of a circle to the radius. this gives us the ability to calculate pi if we physically measure a circle's circumference and radius. solve the equation for to get the formula you would use to perform this activity.

Answer 1

π = C/(2r)

Explanation:

The equation that relates the circumference of a circle to the radius is ...

C = 2πr

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We can divide both sides of the equation by 2r to get an expression for π.

`C=2\pi r\\\\(C)/(2r)=(2\pi r)/(2r)\\\\\boxed{\pi=(C)/(2r)}`