Respuesta :

a8247

Answer:

x = 16°, y = 116°

Step-by-step explanation:

Angles inside a U-shape add up to 180°.

Hence (6x + 20)° + (4x)° = 180°

10x = 160°

x = 16°

Since the slanted sides of the trapezium are equal, y is equal to (6x + 20).

(6x + 20)° = (6(16) + 20)° = 116° = y

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