7.2

2: In a parallelogram, the angles opposite each other are ____________, and the angles next to each other are ____________.

4: n is 12.

10: The diagonals of a parallelogram bisect each other.

17: See #2.

20: See #10.

25: Sketch the four points so you can average two that are at opposite corners.

30: Sketch the three points, and then add in a fourth point by drawing parallel lines.

31: x + 0.25x ＝ ____________.