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amm1812
3 years ago
9

Find the surface area of a cylinder with a base radius of 4m and a height of 5m.

Mathematics
1 answer:
Kipish [7]3 years ago
8 0

Answer:

A≈226.19

Step-by-step explanation:

The formula is A=2πrh+2πr²

you fill in the radius and get A=2π4h+2π4²

Then fill in the height and get A=2π4×5+2π4²

and your final answer would be A≈226.19

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marin [14]

Answer:

Volume of given figure = 113.12 cm²

Step-by-step explanation:

Given:

Radius of cylinder = 4/2 = 2cm

Radius of cone = 4/2 = 2 cm

Height of cylinder = 7 cm

Height of cone = 6 cm

Find:

Volume of given figure

Computation:

Volume of given figure = Volume of cylinder + Volume of cone

Volume of given figure = πr²h + (1/3)πr²h

Volume of given figure = (22/7)(2)²(7) + (1/3)(22/7)(2)²(6)

Volume of given figure = (22/7)(4)(7) + (1/3)(22/7)(4)(6)

Volume of given figure = (22)(4) + (22/7)(4)(2)

Volume of given figure = 88 + 25.14

Volume of given figure = 113.12 cm²

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3 years ago
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iVinArrow [24]

Answer:

5

Step-by-step explanation:

When squaring the number 5 (i.e 5^2 ) the answer is 25. 5^{2} is the same thing as 5 times 5. Basically with the square root, you are going backwards, so you are therefore finding the base of it all.

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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