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Volume is 179 whole 2 upon 3 cm cube find the surface area of a sphere whose volume is 179 2 upon 3 centimetre cube

Posted by Priyanshu Verma 5 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Seth 5 years, 6 months ago

Given -

V = 179 2/3 cu.cm = 179.67 cu.cm

Now,

Volume of sphere is given by formula -

V = 4/3 πr^3

179.67 = 4/3 × 3.142 × r^3

r^3 = 179.67 / 4.189

r^3 = 42.89

r = 3.5 cm

Now, surcace area of sphere is given by -

A = 4πr^2

A = 4 × 3.142 × 3.5^2

A = 154 sq.cm

0Thank You

ANSWER

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