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What is the value of y-x?

A. 20

B. 30

C. 45

What is the value of y-x? A. 20 B. 30 C. 45-example-1

1 Answer

1 vote
B! Angles of big triangle: x + 2x + 90=180, x=30. If x=30, y=60, by sum of angles in triangle. 60-30=30
User Predrag Samardzic
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