Question

1. Find the total surface area of a solid cylinder of base diameter 14 cm and height 12 cm.​

Answer 1

Answer:

r = 14/2 = 7 cm

h =12 cm

TSA of cylinder = 2×22/7×7(12+7)

=836cm.square

Answer 2

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Given,

Diameter =14cm

Radius=$\bold{\frac{d}{2}=\frac{14}{2}=7}$

Height =12cm.

T. S. A of solid cylinder= 2πr(r+h)

$\implies\bold{2*\frac{22}{7}*7(7+12)}$

=14(19)

=836cm²

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