SOLUTION: what is the lateral area of a right cylinder if the radius of the base is 12mm and the altitude of the cylinder is 5 times the base radius? round your answer to the nearest whole n

Question 260019: what is the lateral area of a right cylinder if the radius of the base is 12mm and the altitude of the cylinder is 5 times the base radius? round your answer to the nearest whole number.
Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
what is the lateral area of a right cylinder if the radius of the base is 12mm and the altitude of the cylinder is 5 times the base radius? round your answer to the nearest whole number.
Sol'n:
LA = 2pi(rh)
h = 5r
so, LA = 2pi(rx5r)
LA = 10pi x r^2
LA = 10pi x 12^2
LA = 1,440pi
LA = 4,524 sq. mm.---anser
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