Chavez Weber
09/19/2023 · High School

El fórmula para el área de a trapezoide es \( A=\frac{1}{2} h\left(b_{1}+b_{2}\right) \). Expresar \( b_{1} \) en términos de \( A \),

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\( h \) y \( b_{2} \). Para resolver este problema, primero vamos a reescribir la fórmula del área del trapezoide para que \( b_{1} \) aparezca solo en una de las variables. Luego, procederemos a resolver para \( b_{1} \). La fórmula original es: \[ A = \frac{1}{2} h (b_{1} + b_{2}) \] Para resolver para \( b_{1} \), multiplicamos ambos lados de la ecuación por 2 para eliminar la fracción: \[ 2A = h (b_{1} + b_{2}) \] Luego, dividimos ambos lados de la ecuación por \( h \) para aislar \( b_{1} + b_{2} \): \[ \frac{2A}{h} = b_{1} + b_{2} \] Finalmente, para obtener \( b_{1} \) solo en una variable, restamos \( b_{2} \) de ambos lados de la ecuación: \[ b_{1} = \frac{2A}{h} - b_{2} \] Por lo tanto, la expresión de \( b_{1} \) en términos de \( A \), \( h \) y \( b_{2} \) es: \[ b_{1} = \frac{2A}{h} - b_{2} \] Este es el resultado que buscas.

Quick Answer

\[ b_{1} = \frac{2A}{h} - b_{2} \]
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