Question

Mayank madam bird bath for his garden in the shape of cylinder with hemispherical depression at 18 the height of the cylinder is 1.5 and its radius is 30 cm find the total surface area of the bird bath​

Answer 1

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Answer 2

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Height , h = 1.45 m

Radius , r = 30 cm = 0.3 m

Total Surface area of the bird bath = T.S.A of Cylinder

T.S.A of Cylinder = 2πr(r+h)

= 2 × 22 / 7× 0.3 (0.3 +1.45)

= 3.3 m²

As the cylinder is attached to a hemispherical depression , its area is not added.If the cylinder was attached to a base , it would have been calculated...

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