The volume of a cylinder is 308cm3 it's height is 8cm.find it's lateral surface area and total surface area
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given, height=8cm
Volume of cylinder=πr²h
=>22/7×r²×8=308cm³
=>r²×8=308×7/22
=>8r²=98
=>r²=98/8
=>r²=12.25
=>r=√12.25
=>r = 3.5cm
lateral surface area=2πrh
=2×22/7×3.5cm×8cm
=2×22×0.5cm×8cm
=176cm²
therefore, total surface area=2πr(r+h)
=2×22/7×3.5cm(3.5cm+8cm)
=2×22×0.5cm×11.5cm
=253cm²
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Volume of cylinder=πr²h
=>22/7×r²×8=308cm³
=>r²×8=308×7/22
=>8r²=98
=>r²=98/8
=>r²=12.25
=>r=√12.25
=>r = 3.5cm
lateral surface area=2πrh
=2×22/7×3.5cm×8cm
=2×22×0.5cm×8cm
=176cm²
therefore, total surface area=2πr(r+h)
=2×22/7×3.5cm(3.5cm+8cm)
=2×22×0.5cm×11.5cm
=253cm²
HOPE YOU LIKE IT
PLEASE MARK IT AS BRAINLIEST
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