Respuesta :

suhani9515

Step-by-step explanation:

on line AB

X + 117 = 180 ( Angle sum property )

X = 63°

and

X+Y = 90° (given )

63° + Y = 90°

Y = 27°

ADVENTUROUSBOY

x = 63°

y = 27°

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Step-by-step explanation:

Δx + 117° = 180°

Δx = 180° - 117°

Δx = 63°

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Δx + Δy = 90°

63° + Δy = 90°

Δy = 90° - 63°

Δy = 27°

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