princess231
princess231
20-11-2015
Mathematics
contestada
please help ???anyone know this
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Panoyin
Panoyin
21-11-2015
ΔUVW ≡ ΔXYZ
2x + 3x + 4x = 14 + 21 + 28
5x + 4x = 35 + 28
9x = 63
9 9
x = 7
The answer is A.
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