Find values of x and y for which ABCD must be a parallelogram. The diagram is not to
scale.

Step-by-step explanation:
again option D x = 10, y= 3
is the correct answer of this question.
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Answer:
x = 10
y = 7
Step-by-step explanation:
4x-2 = x+28
4x-x = 28+2
3x = 30
x = 30÷3
x = 10
4y-7 = y+14
4y-y = 14+7
3y = 21
y = 21÷3
y = 7