Answer
54 degrees
Step-by-step explanation:
Using angle sum property(angles in a triangle add up to 180),
y+y+72=180
2y+72=180
2y=180-72
2y=108
y=108/2
y=54 degrees
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Answer:
Step-by-step explanation:183
Answer:
try this answer x2 + 2xy + y2 - 16