R=3, H =7 find the curved surface area of cylinder, total surface area and volume of a cylinder?
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R=3, H =7 find the curved surface area of cylinder, total surface area and volume of a cylinder?
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[tex] \huge \color{pink}Answer : [/tex]
We have,
r=3 cm,h=7 cm
We know that the volume of the cylinder
V=πr² h
V= 22/7 ×3² ×7
V=22×9
V=198 cm³
We know that the curved surface area of the cylinder
Ac =2πrh
Ac =2× 22/7 ×3×7
Ac =22×6
Ac =132 cm²
We know that the total surface area of the cylinder
AT =2πr² +2πrh
AT =2× 22/7 ×3² +2× 22/7 ×3×7
AT =56.57+132
AT =188.57 cm²
Hence, this is the answer.