Question

The diameter of a solid sphere is 7 cm. It is bisected and then sum of the surface areas of both pieces is given by ?

Answer 1

Answer:

The area of a circle of radius r is π r2 and thus if the hemisphere is meant to include the base then the surface area is 2π r2 + π r2 = 3π r2 . ...

Step-by-step explanation:

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Answer 2

$\bf\huge{Question:-}$

The diameter of a solid sphere is 7 cm. It is bisected and then sum of the surface areas of both pieces is given by ?

$\bf\huge{answer:-}$

refer the attachment