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Ghella [55]
3 years ago
13

A cylinder has a radius of 40 ft and a height of 17 ft. What is the exact surface area of the cylinder?

Mathematics
2 answers:
Georgia [21]3 years ago
8 0

we know that

surface area of the cylinder=2*{area of the base}+perimeter of base*height

area of the base=pi*r²

r=40 ft

Area of base=pi*40²

Area of the base=1600*pi ft²


Perimeter of the base=2*pi*r

Perimeter of the base=2*pi*40

Perimeter of the base=80*pi ft


surface area of the cylinder=2*1600*pi+80*pi*17

surface area=4560*pi ft²


therefore

the answer is the option

4560π ft2

mylen [45]3 years ago
3 0

Answer:

It is C.)  4560π ft2

Step-by-step explanation:

Because i took the test and 1/1 point means i got it right

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