Respuesta :

Intsaam

Answer:

X=22.5°

Step-by-step explanation:

180-90=90

90/4=22.5

VirαtKσhli

Answer:

22.5°

Step-by-step explanation:

The given 3 angles are on the straight line . So their sum will be 180°

⇒ 90 + x + 3x = 180

⇒ 4x = 90

⇒ x = 90/4

⇒ x = 22.5°

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