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olga2289 [7]
3 years ago
12

Help cant seem to figure out.

Mathematics
2 answers:
Dafna1 [17]3 years ago
5 0

Answer:

For a cylinder there is 2 kinds of formulas the lateral and the total. the lateral surface area is just the sides the formula for that is 2(pi)radius(height). the formula for the total surface area is 2(pi)radius(height) + 2(pi)radius squared.

Vadim26 [7]3 years ago
5 0
The equation for the surface are of a cylinder is 2 pi r h +2 pi r ^2
That’s means the equation is 2 pi 30 + 2 pi 9 which equals 245cm
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