find the total surface area of right circular cylinder whose radius is 3.5 metre and height is 14m.
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Answer:
Total Surface Area of cylinder= πr(l+r)
Radius of cylinder= 3.5m
Height of cylinder= 14m
Slant height (l)=√h^2+r^2
l = √3.5^2+14^2
l=√1225+196
l= √1421
l= 37.69
TSA of cylinder= πr(l+r)
= 22/7×3.5(37.69+3.5)
=11×41.19
= 453.09m^2
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