Question

9. Total surface area of a sphere is 40 square centimetres. The sphere is divided into two hemispheres.

c) What is the ratio between the surface areas of a hemisphere and a sphere having the same radius?

a) What is the area of the plane surface of a hemisphere?

b) What is the total surface area of a hemisphere
Plz answer with steps​

Answer 1

Answer:

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Step-by-step explanation:

wala