QUESTION IMAGE
Question
what are measures of ∠1 and ∠2? 68° 1 128° a. m∠1 = 56, m∠2 = 56 b. m∠1 = 52, m∠2 = 60 c. m∠1 = 64, m∠2 = 64 d. m∠1 = 60, m∠2 = 52
Step1: Calcular \(m\angle1\)
Como \(\angle1\) y el ángulo de \(128^{\circ}\) son adyacentes y forman un ángulo recto (suman \(180^{\circ}\)), entonces \(m\angle1=180 - 128\).
$$m\angle1 = 52^{\circ}$$
Step2: Calcular \(m\angle2\)
En un triángulo, la suma de los ángulos internos es \(180^{\circ}\). Entonces \(m\angle2=180-(68 + 52)\).
$$m\angle2=180 - 120=60^{\circ}$$
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B. \(m\angle1 = 52\), \(m\angle2 = 60\)