Question

A closed cylindrical tank of radius 14m and height 6m is made from a sheet of metal. How much sheet of metal is required?

Answer 1

Step-by-step explanation:

Given.

Radius = 14m

height = 6m

therefore

total surface area of a cylinder =

2 × pi × r × (r + l)

= 2 × 22/7 × 14 × {14 + 6}

= 2×22×2×20

=1760

Answer 2

Answer:

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Radius = 14m

height = 6m

total surface area of a cylinder =

2 × pi × r × (r + l)

= 2 × 22/7 × 14 × {14 + 6}

= 2×22×2×20

=1760