Question 939629: PQRS is a parallelogram. Find x. S(4x-15), P(3x-12), R(x+6), Q(2x+3)
Answer by laoman(51)   (Show Source):
You can put this solution on YOUR website! For a parallelogram, the two opposite angle are always equal,
Therefore, what we have to do is take two of the opposite angles given and equate to find x,
we can use P and R or S and Q
If I decide to use P and R, 
Solving the equation, 2*x =18
x = 18/2 = 9
Also using S and Q,
2*x =18
and x =2
QED
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