Math Problem Statement
Se quiere medir la anchura de un río. Para ello se observa un árbol que está en la otra orilla a la parte más alta y se obtiene un ángulo de elevación de 55º. Alejándose 5m del río en la misma dirección del árbol se vuelve a medir el ángulo de elevación y se obtiene 42º. Calcula la anchura del río y la altura del árbol.
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Tangents
Right Triangles
Formulas
tan(θ) = opposite / adjacent
d = (5 * tan(42°)) / (tan(55°) - tan(42°))
h = d * tan(55°)
Theorems
Tangent function in right triangles
Suitable Grade Level
Grades 10-12
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