deandreamcwill3020 deandreamcwill3020

18-01-2018
Mathematics

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How long is the width of a rectangle if it has a diagonal of 20, and a length of 12?

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dannielle dannielle

22-01-2018

d=Vl^2+w^2

20=V 12^2+W^2

400= 144+w^2
w^2=400-144
w^2=256
w=V256
w=16

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