QUESTION IMAGE
Question
a kite flying in the air has a 10 - ft line attached to it. its line is pulled taut and casts a 7 - ft shadow. find the height of the kite. if necessary, round your answer to the nearest tenth.
Step1: Aplicar el Teorema de Pitágoras
El Teorema de Pitágoras establece que en un triángulo rectángulo \(a^{2}+b^{2}=c^{2}\), donde \(c\) es la hipotenusa y \(a\) y \(b\) son los catetos. Aquí, \(c = 10\), \(a=7\) y \(b\) es la longitud desconocida. Entonces, \(b^{2}=c^{2}-a^{2}\).
Step2: Calcular \(b^{2}\)
Sustituir los valores: \(b^{2}=10^{2}-7^{2}=100 - 49=51\).
Step3: Encontrar \(b\)
Tomar la raíz cuadrada de \(b^{2}\): \(b=\sqrt{51}\approx7.1\).
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\(7.1\)