Find the height of this cylinder given that the surface area is 628 square inches and the diameter is 10 inches.
3 answers
Does the surface area include the top and bottom?
Yes
SA = 2 π r2 + 2 π r h
628 = (2 * 3.14 * 5^2) + (2 * 3.14 * 5 * h
628 = 157 + 31.4h
471 = 31.4h
471/31.4 = h
15 = h
http://www.aaamath.com/exp79x10.htm
628 = (2 * 3.14 * 5^2) + (2 * 3.14 * 5 * h
628 = 157 + 31.4h
471 = 31.4h
471/31.4 = h
15 = h
http://www.aaamath.com/exp79x10.htm
1 answer