2. Find the total surface area of a cylinder with
radius 21 cm and height 5 cm.
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Answer:
Given; r=21cm
h=5cm
To find; TSA of Cylinder
sol; TSA of cylinder=2πr(r+h)
= 2×22÷7×21(21+5)
= 2×22÷7×21×26
=2×22×3×26
= 44×78
= 3432cm²
Step-by-step explanation:
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