1) To prove a parallelogram is a rectangle, what diagonal property must you show? a) Diagonals are perpendicular b) Diagonals are congruent 2) Which shape is a square? a) Shape 1 has congruent diagonals.​ b) Shape 2 has congruent sides.​ c) Shape 3 has congruent sides and congruent diagonals.​ d) None of the above 3) Quadrilateral ABCD has diagonals AC and BD. If AC and BD are congruent and perpendicular, what is the most specific type of quadrilateral? a) Square b) square 4) To prove that a parallelogram is specifically a rhombus, what property must you show? a) One angle is a right angle b) The diagonals are perpendicular c) The Diagonals are congruent d) All of the above 5) If a quadrilateral has opposite angles that are congruent, then it is a parallelogram. a) True b) False 6) What must you show to prove that a quadrilateral with vertices A, B, C, D is a parallelogram using the distance formula? a) All four sides are congruent. b) One pair of sides is parallel and congruent. c) Opposite sides are congruent d) The diagonals are perpendicular 7) Every rhombus is also a parallelogram.8. a) True b) False 8) If the slope of diagonal AC = 1/2 and the slope of diagonal BD = -2, the quadrilateral ABCD is a rhombus. a) True b) False 9) If the diagonals of a quadrilateral are perpendicular bisectors of each other, the quadrilateral must be a square. a) True b) False 10) What formula do you use to find the length from point A (x1, y1) to point B (x2, y2)? a) Distance b) distance

Classifying Quadrilaterals

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