7.The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m. The height of the pillaris About the author Maya
Answer: Given: Curved Surface Area of cylinder = 264m 2 Volume of cylinder = 924m 3 CSA of cylinder = 2πrh 264 = 2× 7 22 ×r×h r×h=42 h= r 42 …(1) Volume of cylinder = πr 2 h 924= 7 22 ×r 2 × r 42 924= 7 22 ×r×42 r= 22×42 924×7 r=7m. Radius is 7m diameter is 14m Height of cylinder = 7 42 =6m Reply
Answer:
Given: Curved Surface Area of cylinder = 264m
2
Volume of cylinder = 924m
3
CSA of cylinder = 2πrh
264 = 2×
7
22
×r×h
r×h=42
h=
r
42
…(1)
Volume of cylinder = πr
2
h
924=
7
22
×r
2
×
r
42
924=
7
22
×r×42
r=
22×42
924×7
r=7m.
Radius is 7m
diameter is 14m
Height of cylinder =
7
42
=6m
Answer:
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