En una recta se ubican los puntos consecutivos A. B. C y D de modo que: AB = 17: CD = 23 y AD = 6BC. Calcular BC.
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Verified answer
Respuesta:
8
Explicación paso a paso:
Recta: ABCD
AB = 17
CD = 23
AD = 6BC
Pero: AD = AB + BC + CD
Entonces:
AB + BC + CD = 6BC
AB + CD = 5BC
17 + 23 = 5BC
40 = 5BC
BC = 8