Question

The volume of two sphere are in the ratio 64:27 find the ratio of their surface area


DONT DO COPY AND PAST ​

Answer 1

Answer:

We know that

$\sf \: volume \: of \: sphere = \frac{4}{3} \pi {r}^{3}$

Then,

$\sf \frac{ volume \: of \: sphere (1)}{volume \: of \: sphere(2)} = \frac{64}{27}$

$= \frac{ {4\pi r _{1}}^{3} }{ 4\pi r_{2} \: ^{3} } = \frac{64}{27} \\ \\ \implies \: \frac{ r_{1} }{ r_{2} } = \frac{4}{3}$

Simplifying process:-

$\frac{ { \cancel{64}} \: ^{4} }{ \cancel{ {27}} \: ^{3} } \\ \\ = \frac{4}{3}$

$\rule{190 pt}{2.5pt}$

Then ratio of surface area of both squares is

$({ \frac{4}{3}) }^{2} \\ \\ = \frac{16}{9}$

Hence ratio of surface area is 16/9 or 16:9

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Answer 2

Answer:

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Step-by-step explanation:

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Is this sentence an example of exaggeration or irony? Explain.