Question

If the diameter of a football is 5 times the diameter of a cricket ball the ratio of the surface area of the football and the cricket ball is ?

Answer 1

Answer:

football / cricket ball = 5/1

Step-by-step explanation:

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Answer 2

Answer:

[READ THE QUESTION CAREFULLY THEN ANSWER.]

(continuation )

$\frac{2r}{2r {}^{1} } = 5$

OR

$\frac{r}{r {}^{1} } = 5$

Now the ratio of surface areas=

4 pie r^2 /4 pie (rˡ)^2=(r/rˡ) = 25/1

which is equal to => 25:1

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