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Fiesta28 [93]
3 years ago
12

Which of the following is the surface area of the right cylinder below?

Mathematics
2 answers:
ss7ja [257]3 years ago
7 0

Answer:

the answer is A

Step-by-step explanation:

the formula is 2π rh +2πr^2

you put the values in

2π (6*15) +2π(6)^2

then you solve

180π+ 72π= 252π

Nezavi [6.7K]3 years ago
4 0

For this case we have that by definition, the surface area of a cylinder is given by:

SA = 2 \pi * r * h + 2 \pi * r ^ 2

Where:

A: It's the radio

h: It is the height of the cylinder

We have to:

r = 6 \ units\\h = 15 \ units

Substituting:

SA = 2 \pi * 6 * 15 + 2 \pi * (6) ^ 2\\SA = 2 \pi * 6 * 15 + 2 \pi * (6) ^ 2\\SA = 180 \pi + 72 \pi\\SA = 252 \pi \ units ^ 2

Answer:

Option A

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