Calculate the area of sheet metal needed to make an open cylindrical container of…

MATHEMATICS · Single correct · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes

Problem

Calculate the area of sheet metal needed to make an open cylindrical container of radius

7\,\text{cm}

and height

12\,\text{cm}

. Take

\pi = \dfrac{22}{7}

. (a)

836\,\text{cm}^2

(b)

154\,\text{cm}^2

(c)

682\,\text{cm}^2

(d)

528\,\text{cm}^2