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30-04-2018
Mathematics

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If two pyramids are similar and the ratio between the lengths of their edges is 4:9, what is the ratio of their volumes?

Photo Help meeIf two pyramids are similar and the ratio between the lengths of their edges is 49 what is the ratio of their volumes class=

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30-04-2018

[tex] \dfrac{Volume_1}{Volume_2} = (\dfrac{Length_1}{Length_2} )^3[/tex]

[tex] \dfrac{Volume_1}{Volume_2} = (\dfrac{4}{9} )^3[/tex]

[tex] \dfrac{Volume_1}{Volume_2} = \dfrac{64}{729}[/tex]

Answer: Ratio = 64 : 729

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