La suma de los tres ángulo vale 180°
Sea x el menor.
Entonces a3 = x + 7 (3 - 1) = x + 14
La suma es: 180 = 3/2 (x + a3) = 3/2 (2 x + 14)
120 = 2 x + 14; x = (120 - 14) / 2 = 53°
sec53° + tg53° ≅ 1,666. . . + 1,333 . . . = 5/3 + 4/3 = 3
Mateo
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La suma de los tres ángulo vale 180°
Sea x el menor.
Entonces a3 = x + 7 (3 - 1) = x + 14
La suma es: 180 = 3/2 (x + a3) = 3/2 (2 x + 14)
120 = 2 x + 14; x = (120 - 14) / 2 = 53°
sec53° + tg53° ≅ 1,666. . . + 1,333 . . . = 5/3 + 4/3 = 3
Mateo