Question

A hemispherical bowl is made of 0.25 cm thick steel. Internal radius of this bowl is 5 cm. Find the external curved surface area of the bowl.

Answer 1

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$\huge\mathfrak\blue{Question:}$

A hemispherical bowl is made of 0.25 cm thick steel. Internal radius of this bowl is 5 cm. Find the external curved surface area of the bowl.

$\huge\mathfrak\red{Answer:}$

The external CSA of the bowl is 173.25 cm^2

Step by step solution is in the attachment.

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Answer 2

Total diameter= 10 +0.25+0.25
=10.5
Radius= 5.25
C.s.a
2πr²=173.25cm²