The figure below is a parallelogram. Find RQ.

rectangle PQRS, side QR=3x+3, side PS=-1+4x



rectangle PQRS, side QR=3x+3, side PS=-1+4x



10

15

4

12

1 answer

To find the value of x, we can set the two sides equal to each other and solve for x:

3x + 3 = -1 + 4x
x = 4

Now we can plug in x = 4 into either side of the parallelogram to find RQ:

RQ = 3(4) + 3
RQ = 12 + 3
RQ = 15

Therefore, RQ = 15.