Question

22
Assume t = unless stated othe
7
1. Find the surface area of a sphere of radius:
(i) 10.5 cm
(ii) 5.6 cm
2. Find the surface area of a sphere of diameter:
(1) 14 cm
(i) 21 cm
3. Find the total surface area of a hemisphere of radius
4. The radius of a spherical balloon increases from 7 cm
into it. Find the ratio of surface areas of the balloo
5. A hemispherical bowl made of brass has inner di
tin-plating it on the inside at the rate of 16 per 10
Find the radius of a sphere whose surface area is 1​

Answer 1

Answer:

LOL...........

Step-by-step explanation:

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