Exercise Problems II — task. Mathematics CBSE, Class 9.

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Find the surface area of a sphere of diameter: (Assume

$π = \frac{22}{7}$ )

(i)

$14cm=$

(ii)

$21cm=$

(iii)

$3.5cm=$

Answer variants:

$15.35 cm^2$

$288 cm^2$

$616 cm^2$

$1386 cm^2$

$38.5 cm^2$

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