7.4

2: What is the definition of a rhombus?

3: ∠L and ∠M are next to each other in this rhombus.

4: These two angles are opposite each other in the rhombus.

5: Sketch it to see if these two sides are next to each other or opposite each other.

19: Try drawing the rectangle in a way that makes the statement not true.

23: Try drawing the quadrilateral such that the opposite angles are still congruent but some are bigger than others.

29: See the definitions.

30: See the definitions.

31: Look for the perpendicular marking in the sketches on the Quadrilaterals slide.

32: Look for the congruency markings in the sketches on the Quadrilaterals slide.

33: Read the Features column on the Quadrilaterals slide.

34: See the definitions.

41: The diagonals of a rhombus bisect each other.

51: The diagonals of a square bisect its angles.

59: Plot the points, and use the distance formula to see if sides are congruent or the slope formula to see if sides are parallel.

61: All four sides of a rhombus are congruent.

65: A shape with all four sides congruent is called a rhombus.

66: A shape with four equal sides and four equal angles is called a square.

67: See the definitions.

71: The diagonals of a square are congruent.

89: A midsegment bisects two of the sides and is half the length of the third side.