Ask a New Question

the total surface area of a cylinder is 440 m square. find the height of cylinder if its radius is 7m.

2 answers

SA = 2 circles + a rectangle
= 2πr^2 + 2πrh
440 = 2π(49) + 2π(7)h
h = (440- 98π)/(14π) = ...

you do the button-pushing, should get appr 3m

3meters

Ask a New Question or answer this question.

Similar Questions

A class is finding the radii of 3 cylinders.Cylinder A has a surface area of 4,163.64 in.2 . Cylinder B has a surface area of
1. 9 answers
A class is finding the radii of 3 cylinders. Cylinder A has a surface area of 4, 163.64 in.2 Cylinder B has a surface area of
1. 1 answer
A class is finding the radii of 3 cylinders. Cylinder A has a surface area of 4,163.64 in.2 .Cylinder B has a surface area of
1. 1 answer
The formula for the surface area of a cylinder is A=2πr^2+2πrh. (A)Solve for r and simplify the result, if possible. (B) If
1. 2 answers

more similar questions