the height of a cylinder is 3.5 cm and the volume is 110 cu. cm. find the radius and surface area of this cylinder
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Answered by
2
RADIUS=H/2
=3.5/2
= 1.75
CSA=BP×H |BP=2πR
=3.5×3.5 |=2×π×R
=12.25 |2×1.75 =3.5
Answered by
1
Answer:
r=3.16
Step-by-step explanation:
Volume of cylinder= 110cm^3
πr^2h =110cm ^3
22/7×r×2×3.5= 110
22/7×r^2=110/3.5×10
22/7×r^2=11/35×10
r^2=110/3.5×10×7/22
r^2=10
r=3.16
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