In triangle XYZ, the measure of angle Y is 90°90° and YW¯¯¯¯¯¯𝑌𝑊¯ is an altitude of the triangle. The length of XY¯¯¯¯¯¯𝑋𝑌¯ is 26, and the length of XZ¯¯¯¯¯𝑋𝑍¯ is triple the length of XY¯¯¯¯¯¯𝑋𝑌¯. What is the value of YW¯¯¯¯¯¯YZ¯¯¯¯¯𝑌𝑊¯𝑌𝑍¯?130130eliminate1313eliminate33eliminate2626eliminate
Question
In triangle XYZ, the measure of angle Y is 90°90° and YW¯¯¯¯¯¯𝑌𝑊¯ is an altitude of the triangle. The length of XY¯¯¯¯¯¯𝑋𝑌¯ is 26, and the length of XZ¯¯¯¯¯𝑋𝑍¯ is triple the length of XY¯¯¯¯¯¯𝑋𝑌¯. What is the value of YW¯¯¯¯¯¯YZ¯¯¯¯¯𝑌𝑊¯𝑌𝑍¯?130130eliminate1313eliminate33eliminate2626eliminate
Solution
Para resolver este problema, sigamos los siguientes pasos:
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Identificar las longitudes dadas:
- La longitud de es 26.
- La longitud de es el triple de , por lo tanto, .
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Usar el Teorema de Pitágoras: Dado que es un ángulo recto, el triángulo es un triángulo rectángulo con como la altura desde a .
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Calcular la longitud de : Usamos el Teorema de Pitágoras en el triángulo : Sustituyendo los valores conocidos:
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Calcular la longitud de : Usamos la fórmula del área de un triángulo rectángulo: Sustituyendo los valores conocidos:
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Calcular la razón :
Por lo tanto, la respuesta correcta es .
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