Question

Use parallelogram ADCB to solve for x and y.

Answer 1

x = 5

y = 17

Explanation:

diagonals of a parallelogram bisect each other so:

11 = x+6

x = 5

10 = y-7

17 = y

Answer 2

Explanation:

The diagonals of a parallelogram bisect each other, so you get two equations.

• y - 7 = 10
• x + 6 = 11

y - 7 = 10 Add 7 to both sides

y = 10 + 7

y = 17

x + 6 = 11 Subtract 6 from both sides.

x + 6 - 6 = 11 - 6

x = 5