Respuesta :

cairde

Answer:

y=64°

Step-by-step explanation:

Within a trapezoid, the angles on the same side of a leg add up to 180:

(6x+20)+(4x)=180

6x+4x=180-20

10x=160

x=16

Since the base lines are parallel, and the leg lines are equal in length, y=4x

y=4(16)

y=64°

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