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Troyanec [42]
3 years ago
12

Lesson 16

Mathematics
1 answer:
Goshia [24]3 years ago
6 0

Answer:

546 ft³

Step-by-step explanation:

In the figure attached, the top view of the pool is shown. It can be decomposed into a trapezoid which height is 12 ft and which bases are 9 ft and 11 ft; and a rectangle which height is 1.5 ft and and it base is 11 ft.

Area of the trapezoid: (9 + 11)/2 * 12 = 120 ft²

Area of the rectangle: 1.5*11 = 16.5 ft²

Total area: 120 + 16.5 = 136.5 ft²

Volume of the pool: Total area * deep = 136.5 * 4 = 546 ft³

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Answer:

384π

Step-by-step explanation:

From the diagram,

Diameter ( d ) = 16

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r = d / 2

r = 16 / 2

r = 8

Formula : -

Surface area of Cylinder = 2πr ( r + h )

Surface area of Cylinder = 2πr ( r + h )

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3 years ago
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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