find the area of metal sheet required to construct a cylindrical drum without top of height 3.5 metre and radius 14 metre
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Area of sheet required =pir^2h +pi r^2
= 22/7 * 7*7*3.5 +22/7 *7*7 =154(3.5+1)
=154*4.5 = 693 sq meter
= 22/7 * 7*7*3.5 +22/7 *7*7 =154(3.5+1)
=154*4.5 = 693 sq meter
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