1.

Assume π, unless sind the surface area of a sphere of radius(i) 5.6c(i)10.5 cm

Answer»

i)4 pi r²

= 4 × 3.14 × (10.5)²

= 1,384.74 cm²

ii)

4 pi r²

= 4 × 3.14 × (5.6)²

= 393.8816 cm²



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