Question

Calculate the radius of the circular rug. Use 3.14 for π.

Enter your answer in the box below.

____ feet

Answer 1

\sqrt{\frac{153.86}{3.14} } = r

Explanation:

a=pir^2

153.86 = 3.14*r^2

\sqrt{\frac{153.86}{3.14} } = r

Answer 2

`\sqrt{(153.86)/(3.14) } = r`

Explanation:

a=pir^2

153.86 = 3.14*r^2

`\sqrt{(153.86)/(3.14) } = r`

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