In a cylinder,radius=7 and surface area =210π.find the height and volume of the cylinder.
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Answered by
24
Surface area of a cylinder= 2πr(h+r)
2πr(h+r)= 210π
R(h+r)= 210π/2π
7(h+7) = 105........radius 7 given
H+7 = 15
H= 8cm
Now calcutlate volume using h and r...
Hope it helps
ravi2611:
ur answer is wrng
okay sorry
sorry aap kyu bol rahe
sorry mujhe kisi aur ko bolna tha vo aapko glti se bol diya
ohhh koi na
hmm
Kaha pr glt h?....
height 15 ayegi
Ok... thnkyou
Answered by
5
r=7cm
SA of cylinder=2πrh
210π=2πrh
210=2rh
210=2×7×h
210/2×7=h
15=h
h=15cm
Volume of cylinder=πr²h
=22/7×7×7×15
=22×7×15
=2310cm³
SA of cylinder=2πrh
210π=2πrh
210=2rh
210=2×7×h
210/2×7=h
15=h
h=15cm
Volume of cylinder=πr²h
=22/7×7×7×15
=22×7×15
=2310cm³
lena*
hmmm bilkul yara
aap help karoge ya nahi
of course karungi help
thnx again accha laga ye sunkr
welcome again
chaliye help k liye ready rahyega jaldi hi milte h
okay
ram borrowed a sum of money from raman at 11/2 % simple interest for 115 days.if the interest paid is rs20,what was the amount borrowed?
plz help me yara
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