What is the value of y?
54"
A. 126°
B. 730
C. 63°
D. 540
2 answers:
Answer: 63 degrees.
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
Therefore: 54 + y + y = 180
So 54 + 2y = 180
So 2y = 126
Therefore y = 63 degrees.
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