Question

A belan is in the form of a cylinder of length 14 cm and
diameter 4 cm. It is used to make a chapati (Roti). How
much roti, it will flat while rolling once ?
(a) 188.57 cm²
(b) 182.28 cm²
(c) 176.00 cm²
(d) 170.50 cm​²

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Answer 1

Answer:

176 cm²

Step-by-step explanation:

in this we need to calculate lateral surface area.

diameter = 4cm

radius = 4/2 = 2cm

height = 14cm

So, LSA of cylinder = 2πrh

= 2 × 22/7 × 14 × 2

= 176 cm²

I HOPE THIS HELPS....