Which one of the following statements expresses a true proportion? a. 7: 9 = 8: 9 b. 3: 4 = 9: 12 c. 54: 9 = 6: 3 d. 2: 1 = 1: 2

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never