QUESTION IMAGE
Question
the plan shows part of a roof on a house. a horizontal beam parallel to the base of the roof connects the roof and the central pillar. what is the unknown measurement on the plan? type the correct answer in each box. use numerals instead of words. write your answer as a decimal to the nearest hundredth. for help, see worked example ( ). the unknown measurement is feet.
Explicación:
Paso 1: Aplicar la proporcionalidad de triángulos semejantes
Los triángulos son semejantes, entonces $\frac{x}{15}=\frac{14}{8}$.
Paso 2: Resolver para $x$
Multiplicamos cruz - y - cruz: $8x = 15\times14$, luego $x=\frac{15\times14}{8}=\frac{210}{8}=26.25$.
Respuesta:
26.25
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Explicación:
Paso 1: Aplicar la proporcionalidad de triángulos semejantes
Los triángulos son semejantes, entonces $\frac{x}{15}=\frac{14}{8}$.
Paso 2: Resolver para $x$
Multiplicamos cruz - y - cruz: $8x = 15\times14$, luego $x=\frac{15\times14}{8}=\frac{210}{8}=26.25$.
Respuesta:
26.25