a closed circular cylinder has a diameter 40 cm and height 50 cm find the total suface area of the cylinder
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Step-by-step explanation:
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Answer:
8800cm²
Step-by-step explanation:
Given
d=40 cm
then r=40/2=20cm
h=50 cm
T.S.A of right circular cylinder=2πr(r+h)
=2×22/7×20×(50+20)
=2×22/7×20×70
=2×22×20×10
=8800cm²
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