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Find the surface area of the cylinder in terms of x. I have 2 questions. Please help me thank you.
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Find the surface area of the cylinder in terms of x. I have 2 questions. Please help me thank you.
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Apr 15, 2019
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Find the surface area of the cylinder in terms of x.
I have 2 questions. Please help me thank you.
Mathematics
high-school
Arby
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Surface area = 2πr² + 2πrh
Surface are = 2π (7)² + 2π(7)(18) = 98π + 252π =
350π cm²
Surface area = 2πr² + 2πrh
Surface are = 2π (9)² + 2π(9)(20) = 162π + 360π =
522π
cm²
Learntheropes
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Apr 17, 2019
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Learntheropes
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surface area in units of PI = 2 x r x h +2 x r^2
first picture:
r = 7, h = 18
2 x 7 x 18 + 2 x 7^2
252 + 98
350 PI cm^2
2nd picture:
2 x 9 x 20 +2 x 9^2
360 + 162
522 PI in^2
InitialZero
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Apr 18, 2019
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InitialZero
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