AryannahN87269 AryannahN87269

25-10-2022
Mathematics

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Error Analysis A classmate finds the area of a circle with radius 30 in. to be s 900 in.2. What error did your classmate make? Your answer

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LyfeM493102 LyfeM493102

25-10-2022

radius = 30 in

Area = 900 in^2

To calculate the area of a circle, use the equation A = pi r^2

His mistake was that he did not multiplicate by pi (3.1416)

The actual area = (3.1416)(30)^2

A = 2827.44 in^2

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