Question

3. From a solid cube of side 21m, a largest possible sphere is carved out. Find
the surface area.
(Diameter of sphere=21cm)

Answer 1

Answer:

1386cm²

Step-by-step explanation:

radius of sphere = 21/2=10.5cm

Surface area of sphere = 4 pie r²

= 4 × 22/7 × 10.5²

= 1386 cm²

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