Math Problem Statement
Um triângulo retângulo A B C. O ângulo A C B é um ângulo reto. O ângulo A B C é beta. O lado A C mede quinze unidades. O lado A B mede dezessete unidades. O lado B C mede oito unidades.[\alpha] [20] [29] [21] [C] [B] [A] Encontre [\operatorname{sen}(\alpha)] no triângulo. Escolha 1 resposta: Escolha 1 resposta: (Escolha A)
[\dfrac{20}{21}] A
[\dfrac{20}{21}] (Escolha B)
[\dfrac{21}{29}] B
[\dfrac{21}{29}] (Escolha C)
[\dfrac{21}{20}] C
[\dfrac{21}{20}] (Escolha D)
[\dfrac{20}{29}] D
[\dfrac{20}{29}]
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Right Triangle
Formulas
Sine function in a right triangle
Theorems
Pythagorean theorem
Suitable Grade Level
Grades 10-12
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