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Find the missing length indicated
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Apr 13, 2018
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Find the missing length indicated
Mathematics
high-school
Anataliocs
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12/21 = x/(x + 21) , x is the side of the smaller triangle
12x + 252 = 21x
9x = 252
x = 28
Length needed 28 +21 = 491
Smace
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Apr 17, 2018
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