Angles at a point add up to 360°. Three angles at a point are 120°, 85°, and a third unknown angle. What is the value of the unknown angle?
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Worked Solution
Step 1: Angles at a point add up to 360°.
Step 2: Sum of the known angles = 120° + 85° = 205°.
Step 3: Unknown angle = 360° - 205° = 155°.
Answer: 155°
Correct answer: 155°
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