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Question
look at this diagram:
if (overleftrightarrow{ce}) and (overleftrightarrow{fh}) are parallel lines and (mangle cdg = 132.1^{circ}), what is (mangle edb)?
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Step1: Identificar ángulos adyacentes
Los ángulos \( \angle CDG \) y \( \angle EDB \) son ángulos adyacentes y forman un ángulo recto (180°).
$$\angle CDG+\angle EDB = 180^{\circ}$$
Step2: Sustituir el valor del ángulo dado
Dado que \( m\angle CDG=132.1^{\circ} \), sustituimos en la ecuación:
$$132.1^{\circ}+\angle EDB = 180^{\circ}$$
Step3: Resolver para \( \angle EDB \)
Restamos \( 132.1^{\circ} \) de ambos lados de la ecuación:
$$\angle EDB=180^{\circ}- 132.1^{\circ}$$
$$\angle EDB = 47.9^{\circ}$$
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\( 47.9^{\circ} \)