Question

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Answer 1

Respuesta:

x = 50°

Explicación paso a paso:

α + x + β =90°

m∡AOC + m∡BOD = 140°

(α+x)+(x+β)=140°

α + x + x + β =140°

x +(α + x +β)=140°

x + (90°)=140°

x =50°