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Here are two similar solid toys. The ratio of surface area of toys R: surface area of toy B is 7:9. The volume of toy B is 20cm^3. Work out the volume of toy A. Give your answer to 3 significant figures 

Here Are Two Similar Solid Toys The Ratio Of Surface Area Of Toys R Surface Area Of Toy B Is 79 The Volume Of Toy B Is 20cm3 Work Out The Volume Of Toy A Give Y class=

Sagot :

Answer:

13.7

Step-by-step explanation:

The computation of the volume of toy A is shown below:

7 × k^2=9

k^2= 9 ÷ 7

k=√9 ÷ 7

k = 1.133893419

Now

= 20 ÷ 1.133893419³

=13.7

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