the total surface area of a cylinder is 352 square cm. If its height is 10cm, then find the diameter of its Base.
Answers
Answered by
4
total surface area of cylinder=352sq cm
2πrh+2πr^2=352
2πr(h+r) =352
2×22/7 ×r(10+r)=352
10+r=352×7/22×2×r
10+r=56/r
r^2+10r-56=0
hope it helps
2πrh+2πr^2=352
2πr(h+r) =352
2×22/7 ×r(10+r)=352
10+r=352×7/22×2×r
10+r=56/r
r^2+10r-56=0
hope it helps
Attachments:
Similar questions