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Question
for the figure shown, find m∠1. (the figure is not drawn to scale.) m∠1 = □° geometry 1(a) (lms) 2.3 assignment: parallel lines and triangle angle sums (lms graded)
Step1: Usar la propiedad de la suma de ángulos de un triángulo
La suma de los ángulos internos de un triángulo es 180°.
Step2: Calcular el tercer ángulo
Dados dos ángulos de un triángulo: 119° y 58°. Sea el tercer ángulo \(x\). Entonces \(x=180-(119 + 58)\).
\(x=180 - 177\).
\(x = 3\).
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