Question

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Therefore, Curved Surface Area of a Hemisphere = 2T 2
where r is the radius of the sphere of which the hemisphere is a part.
Now taking the two faces of a hemisphere, its surface area 2tr2 + Ter?
So, Total Surface Area of a Hemisphere = 3Ter2
Example 7: Find the surface area of a sphere of radius 7 cm.
Solution : The surface area of a sphere of radius 7 cm would be
22
4tr2 = 4x x 7 x 7 cm² = 616 C
7
Example 8: Find (i) the curved surface area and (ii) the total sur
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Answer 1

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Answer 2

Answer:

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