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leva [86]
3 years ago
5

one circular table has a diameter of 8ft, and another circular table has a diameter of 12ft. how much greater is the area of the

larger table? Round to the nearest whole number. about 31ft2 about 6ft2 about 13ft2 about 63ft2
Mathematics
1 answer:
NeX [460]3 years ago
3 0

Answer: 63 ft^2

Step-by-step explanation:

the formula for the area of a circle is A = π r ^2. the radius (r) is 1/2 of the diameter.

first, we'll plug in the radius of table #1 into the equation (A = π 4 ^2) and get an answer of 50.27 ft^2. then plug in radius of table #2 (A = π 6 ^2) and get 113.1 ft^2. now find the difference of the areas by subtracting (113.1 - 50.27) to get an answer of 62.83 ft^2. which will round up to 63 ft^2.

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Answer:

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What is the volume of a cone that has a radius of 4 cm and a height of 9 cm?
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In this case, our base is a circle, which has a radius of 4 cm.
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We now know that our base is 16π cm.
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We could punch all of that into our calculator to get the same answer, but since 1/3 of 9 is clearly 3, let's just go with that.

V\approx3\times50.24

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