4usahanataj 4usahanataj

06-05-2019
Mathematics

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Please help I'll give brainliest >.<

Janeka found the area of a circular side table with a diameter of 20 inches. Explain the error(s) that she made. Include the correct answer in your response.

A = π r²
A = π (20 in)²
A = 400 π in

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christopherturn1 christopherturn1

06-05-2019

Janeka forgot to divide by 2 to get the radius and then square and multiply by pi.

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stimppyy stimppyy

06-05-2019

since the diameter is 20 the radius would be 10. so i the equation you would replace the 20 with 10 bc she but the diameter in instead of the radius which r=radius

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