QUESTION IMAGE
Question
the measure of an angle is 80°. what is the measure of its complementary angle?
Step1: Record la definición de ángulos complementarios.
Dos ángulos son complementarios si la suma de sus medidas es 90°.
Step2: Calcular la medida del ángulo complementario.
Sean $\alpha = 80^{\circ}$ y $\beta$ el ángulo complementario. Entonces $\alpha+\beta = 90^{\circ}$, y $\beta=90^{\circ}-\alpha$. Sustituyendo $\alpha = 80^{\circ}$, tenemos $\beta = 90^{\circ}-80^{\circ}=10^{\circ}$.
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