SOLUTION: If parallelogram ABCD is a rectangle and AC=2y+7 and BD=3y-4 What is the value of y

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Question 1129977: If parallelogram ABCD is a rectangle and AC=2y+7 and BD=3y-4 What is the value of y
Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Since it is a rectangle, the opposite sides must be
and are
therefor:
...........minus from both sides
...........add to both sides

Answer by MathTherapy(10553)   (Show Source): You can put this solution on YOUR website!

If parallelogram ABCD is a rectangle and AC=2y+7 and BD=3y-4 What is the value of y
AC and BD are DIAGONALS of the rectangle, not sides. 

The diagonals of a rectangle are congruent so set them equal to each other and solve for y. 

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