1.

ПІС ПІСІь ипи ПС тос о се сушаеr.The sum of the height and radius of the base ofa solid cylinder is 37 m. If the total surface areaof the cylinder be 1628 m2, find its volume.The ratio between the curved surface area and the

Answer»

Let radius of the cylinder= r mHeight = h mGiven (r+h)=37mTotal surface area= 2*pi*r(r+h)=16282*22/7* r*37=1628r=(1628*7)/(2×22×37)After cancellationr=7 mr+h =377+h=37h=30mi) csa of the cylinder=2*pi*r*h=2*22/7*7*30=1320 m^2Voume =pi*r^2*h=22/7*7*7*30=4620m^3

4620m^3 is the right answer

Let r and h respectively be the radius and the height of the cylinder. We have:

r + h = 37 m

TSA = 1628 m2

2πr (h + r) = 1628

2πr(37) = 1628

r=(1628×7) /(2×22×37)=7m

h=37-7=30m

Volume of the cylinder =πr2h

=22/7×7×7×30=4620m³

4620 is the right answer

4620 is the right answer



Discussion

No Comment Found

Related InterviewSolutions