7.4

1: Equilateral means all sides are the same length.

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

6: All sides are congruent in a rhombus.

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.

43: Each angle in a rectangle is 90°.

50: The diagonals of a square each cut the square in half.

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.

71: The diagonals of a square are congruent.

75: Each diagonal of a square is longer than the sides of the square.