triangle angle - sum theorem
what is the value of y?
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Answer:
y = 5
Step-by-step explanation:
All angle measures in a triangle add up to 180°.
Solving for Y:
Step 1: Combine like terms.
Step 2: Subtract 145 from both sides.
Step 3: Divide both sides by 7.
Step 4: Check if solution is correct.
Therefore, y = 5.
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