Enunciado Y Desarrollo Becas Anual Uni

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2009 -II

ANUAL UNI SOLUCIONARIO CONCURSO DE BECAS 49.- Si Calcule

Resolución Multiplicando x cos

Clave A 50. De la siguiente igualdad

Resolución

Clave D

1

2009 -II

ANUAL UNI

51. Calcular el valor de la expresión

Resolución

Clave E 52.- Si el coseno del mayor ángulo de un triangulo es 1/5, calcule el perímetro de dicho triangulo.

X-1

X

X+1

Resolución

Perímetro: P = 3X X

X-1

Dato: Aplicando teorema de cosenos

X+1 Desarrollando… Perímetro: P = 18

2

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