Question

A cylinder has hemispherical ends having radius 14cm and height 50cm . Find total surface area

Answer 1

Total surface area = 6864 cm^2

Total surface area = curved surface area of cylinder + 2 × outer surface area of hemisphere

= 2πrh + 2 × 2πr^2

= 2πrh + 4πr^2

= 2πr (h + 2r)

= 2 × 22/7 × 14 (50 + 2×14)

= 6864 cm^2

The total surface area includes the base(s) and the curved portion. It is the total area covered by the object's surface. The total area of a shape with a curved surface and base is the sum of the two areas.

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Answer 2

Answer:

Step-by-step explanation:

According to the question,

Given, radius = 14cm

height = 50cm

Total surface area = 2$\pi r(h+r)$

Now, Put the value in the formula,

Total surface value = 2.$\pi .14(5+14)$

        =2×22/7×14×(50+14)

       =2×22×2×(64)

      =4×22×64

      =5632 $cm^{2}$

Hence, the answer is 5632$cm^{2}$.

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