Mathematics, 04.05.2020 23:59, joedawg50

Juan wants to know the cross-sectional area of a circular pipe. He measures the diameter which he finds, to the nearest millimeter, to be 5 centimeters.

To find the area of the circle, Juan uses the formula A=2〖πr〗^2 where A is the area of the circle and r is its radius. He uses 3.14 for π. What value does Juan get for the area of the circle? Make sure you include your units.

Michelle found the area of a circle as 78.5 〖in〗^2. She used 3.14 for π. What is the radius of the circle? Explain how you found your answer.

(Help please)

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Juan wants to know the cross-sectional area of a circular pipe. He measures the diameter which he fi...