Qwerty90
The width of the tiled portion is 1.5 feet. What is the area of the tiled portion of the patio, rounded to the nearest whole square foot?



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Qwerty90
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bahrom7893
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Let's first find the area of a a semicircle with the tiled part.

Qwerty90
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I did that but I think I got a wrong answer. I got 56.74

bahrom7893
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A=(pi*r^2)/2=(25pi)/2

Qwerty90
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Ohh I forgot to divide by 2.

bahrom7893
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Now find the area of just that untiled part:
A=(pi*3.5^2)/2

bahrom7893
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Since if the radius is 5 and the width is 1.5 u'll subtract the width from the radius. Can you finish this off?

Qwerty90
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Yes I can thank you

Qwerty90
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and it is still dividing by 2 right?

bahrom7893
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yes