diamondslayer7 diamondslayer7

20-08-2017
Mathematics

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The ratio of the corresponding edge lengths of two similar solids is 2:5. What is the ratio of their surface areas?

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sheheryar91 sheheryar91

20-08-2017

4: 25

l1=2
l2=5

surface area= 6*l^2

so for 1st =6*2^2
2nd= 6*5^2

ratio=6*2^2 /6*5^2

ratio= 4/25
or 4:25

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