the volume of a cylinder of height 8 cm is 1232 cm³. Find its curved surface area.
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2
Answer:
first of all we find the value of r
volume of a cylinder=Πr²h
1232=22\7×r²×8
1232=176\7×r²
r²=1232×7\176
r²=49
r=7
curved surface area= 2Πrh
2×22\7×7×8
352 cm²
total surface area=2Πr(r+h)
2×22\7×7(7+8)
44(15)
660cm²
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Answered by
0
Answer:
AB=154cm²
h Height
8
cm
V Volume
1232
cm³
h
r
h
r
r
h
A
b
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