PLEASE HELP!! THE QUESTION IS -the total surface area of a cylinder is 6512cm sq. and the circumference of its base is 88 cm. Find the volume of the cylinder.(please give full answer)
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Answered by
179
circumference of the base = 2πr = 88 cm.
2πr = 88
r = 88*7/2*44
r = 14 cm.
T.s.a = 2π r(r+h)
6512= 2*22/7*14(14+h)
6512= 88(14+h)
6512= 1232+88h
6512-1232=88h
5280 = 88h
h = 5280/88
h = 60 cm
vol. of cylinder = π*r^2*h
= 22/7*(14)^2*60
= 22/7*196*60
= 36960 cm^2
Hope this helped u .
Please mark as brainliest answer......
2πr = 88
r = 88*7/2*44
r = 14 cm.
T.s.a = 2π r(r+h)
6512= 2*22/7*14(14+h)
6512= 88(14+h)
6512= 1232+88h
6512-1232=88h
5280 = 88h
h = 5280/88
h = 60 cm
vol. of cylinder = π*r^2*h
= 22/7*(14)^2*60
= 22/7*196*60
= 36960 cm^2
Hope this helped u .
Please mark as brainliest answer......
AyeshaSiddique:
thank u very very much
ur welcome.
what is the sign after 88 .is it a multiplication sign..
* this is a sign of multiplication .I used this because many persons get confused with x and × sign....
ok thanks for your help.
ur welcome...
36960.....
wlll...it was an easy one...i feel!!!
please mark as brainliest answer..
Answered by
2
Step-by-step explanation:
this is the case in which tsa of cylinder is given 6572cm^2 thats why my answer is coming diff from others but this is right
hope it helps u
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