The curved surface area of a cylindrical pillar is 264m square .
and it's volume is 924m cube
find the diameter and height of the pillar.
Answers
Answered by
2
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
Explanation:
Answered by
1
Answer:
tANSWER
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
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