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ayoismeisjjjjuan
17.12.2021 •
Mathematics
Una escalera de 25 pies rescostada sobre una pared y retirada al pie de esta a 7 pies , segun lo muestra la figura.
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Ответ:
A = l x w
84 = w +5 x w
84 = w² + 5w
w = -12 or w = 7
Since you can't have a negative length W=7
Length = 7+5
length = 12
Width= 7