find the volume ,curved surface area and total surface area of a cylinder whose dimensions are base radius is 7 dmand height is 40cm
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Answered by
5
given that,
in a cylinder,
radius= 7 dm = 70 cm
height= 40 cm
volume of cylinder= πr²h
= 22/7 × 70×70×40
= 616000cm³
curved surface area= 2πrh
= 2×22/7 × 70×40
= 17600cm²
Total surface area = CSA + 2× πr²
= 17600 + 2×22/7. ×70 × 70
= 17600+ 30800
=48400cm²
in a cylinder,
radius= 7 dm = 70 cm
height= 40 cm
volume of cylinder= πr²h
= 22/7 × 70×70×40
= 616000cm³
curved surface area= 2πrh
= 2×22/7 × 70×40
= 17600cm²
Total surface area = CSA + 2× πr²
= 17600 + 2×22/7. ×70 × 70
= 17600+ 30800
=48400cm²
Answered by
0
The answer is 48400 cm square
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