total surface and lateral (curved) surface
11. The curved surface area of a cylindrical pillar is 26 m' s volume is 44
Find the diameter and the height of the pillar.
Answers
Answered by
1
Step-by-step explanation:
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
Answered by
1
Answer:
Given: Curved Surface Area of cylinder = 264m ^2
Volume of cylinder = 924m ^3
CSA of cylinder = 2πrh
264 = 2× 22/7 ×r×h
r×h=42
h= r42
Volume of cylinder = πr 2 h
924= 722×r
2 × r42
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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