volume of a right circular cylinder is 3080cm3 and radius of its base is 7 cm . find the curved surface area
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Step-by-step explanation:
Let height be h, then
Volume = 3080 cm ; Radius = 7 cm ; Let π = 22/7
πr²h = 3080
22/7 × 7 × 7 × h = 3080
h = 3080/22 × 7
h = 3080/154
h = 20 cm
CSA of Right Circular Cylinder = 2πrh
= 2 × 22/7 × 7 × 20
= 44 × 20
= 880 cm²
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