The original sprinkler head at a home could spray in a circular area that had a radius of 5 feet. After installing a new sprinkler head the radius of the watered area is now 7 feet. What is the change in the area of grass that is watered? round to the nearest hundredth.

PREALGEBRA
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Chapter5: Decimals
Section5.3: Decimals And Fractions
Problem 282E: An architect is planning to put a circular mosaic in the entry of a new building. The mosaic will be...
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The original sprinkler head at a home could spray in a circular area that had a radius of 5 feet. After installing a new sprinkler head the radius of the watered area is now 7 feet. What is the change in the area of grass that is watered? round to the nearest hundredth.

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