A. 15 B. 125 C. 135 D. 45

2 answers
Question:

A. 15
B. 125
C. 135
D. 45

Answers

The angle adjacent to 9x and on same lime as the angle 3x  = 3x.They are corresponding angles)so 3x + 9x = 180x = 180/12 = 15 So angle 1 = 3x = 3*15 = 45 degreesD

9x + 3x = 180°12x = 180°x = 15°9x + 1 = 180°9(15°) + 1 = 180°135° + 1 = 180°1 = 180° - 135° = 45°Answer is DHope it helped!

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