Find the measure of x in the given figure.
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Answer:
∠x = 120 degrees
Step-by-step explanation:
Given:
AB = AC = BC
- This tells us that ΔABC is an equilateral triangle
- All the angles of an equilateral triangle are 60 degrees
- Therefore ∠ACB = 60 degrees
∠x = exterior angle of ∠ACB
∠x = 180 - ∠ACB
∠x = 180 - 60
∠x = 120 degrees
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