Respuesta :

Answer:

Divide the circumference by pi. That's the diameter. Half of the diameter is the radius of the circle.

Explanation:

Answer:

honestly don't know

Explanation:

Method 1 of 4: Using the Circumference

Write down the circumference formula.

Solve for r.

Plug the circumference into the formula. Whenever a math problem tells you the circumference C of a circle, you can use this equation to find the radius r.

Round to a decimal answer. Set up the formula for the area of a circle. Solve for the radius. Plug the area into the formula.

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