Question

are closed circular cylinder has diameter 10 centimetre height 15 cm.find the total surface area of the cylinder.​

Answer 1

Given that : Diameter = 10 cm

=> Radius = 10/2 = 5 cm and Height = 15 cm

As we know that :

Total Surface Area of cylinder = 2πr(r+h)

=> T.S.A. :

$2 \times \frac{22}{7} \times 5 \times (5 + 15) \\ \\ = > 2 \times \frac{22}{7} \times5 \times 20 = 628.57$

So, the T.S.A. of Cylinder will be 628.57 cm²

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