Answer:
X = 15
Step-by-step explanation:
We can tell that the two sides that show the degrees are equal because of the arc. We can set up a simple equation:
x + 45 = 60
x = 15
x = 15°
The two marked angles are equal as they are vertically opposite angles.
∴ x + 45° = 60°
⇒ x = 60° - 45°
⇒ x = 15°
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