Question

The radius of right circular one are in the ratio 5:12 volume is 314cm^3 find its slant height

Answer 1

Here the question has an error
It would be radius and height are in ratio 5:12

Let radius = 5x
And height = 12x
And volume = 314cm³

Volume = 1/3 pie r³
=
$314 = 1 \div 3\pi {r}^{2} h$
$314 \times 3 \times 7 \div 22 = {r}^{2}h$
$314 \times 3 \times 7 \div 22 = (5x) {}^{2} \times 12x$
$314 \times 3 \times 7 \div 22 = {25x}^{2} \times 12x$
$314 \times 3 \times 7 \div 22 \div 25 \div 12 = {x}^{2} \times x$

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