find "x" and "y". plsss help!!!
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Step-by-step explanation:
- Sides of parallelogram =3x,96,84,y+42
- 3x+96=180. (supplementary angles)
- 3x=180-96
- 3x=84
- x=84÷3
- x=28
so value of x=28
- y+42+84=180. (supplementary angles
- y=180-126
- y=54
so value of y is 54
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