Kelso's mom wants to put a floating blanket over the families circular wading pool to keep the heat in and the leaves out the pool has a diameter of 10 feet

A. How many square feet will kelso's mother need?

B. if the pool supply stores charges $0.10 per square foot for the blanket how much will the material for the blanket cost

Question

Boston Henson

Mathematics

6 June, 23:51

Kelso's mom wants to put a floating blanket over the families circular wading pool to keep the heat in and the leaves out the pool has a diameter of 10 feet

A. How many square feet will kelso's mother need?

B. if the pool supply stores charges $0.10 per square foot for the blanket how much will the material for the blanket cost

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Answers (1)

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Tristan Holder · Answer 1

Area of a circle is A = pi*r^2. If the pool dia (d) is 10 ft, then the poor rad (r) is 5 ft. Thus, the area to be covered would be A = pi * (5 ft) ^2 = (25 ft^2) * pi.

This material will cost (25 ft^2) * pi * ($0.10 / ft^2).