3. X X X X X X X X X X X X X X X X X X X X X IDENTIFY SPECIAL QUADRILATERALS
4. One pair of opposite sides || One Pair of Opposite sides Isosceles Trapezoid IDENTIFY SPECIAL QUADRILATERALS
5. Both Pairs of opposite angles Parallelogram, Rectangle, Rhombus, Square IDENTIFY SPECIAL QUADRILATERALS
6. Diagonals bisect each other Parallelogram, Rectangle, Rhombus, Square IDENTIFY SPECIAL QUADRILATERALS
7. 65 ABCD is a parallelogram A parallelogram with adjacent sides is a Rhombus IDENTIFY SPECIAL QUADRILATERALS
8. ABCD is a trapezoid Trapezoid with legs is isosceles IDENTIFY SPECIAL QUADRILATERALS
9. Need 4 Right angles and 4 Sides A Rhombus with 1 right angle is a square IDENTIFY SPECIAL QUADRILATERALS
10. P(5, 4) Q(3, -6) R(0, -10) S(2, 0) Looks like a parallelogram Find the slope of each side and show that opposite sides are parallel Clearly not all sides are PROVE A QUADRIALTERAL IS A SPECIAL TYPE
11. P(5, 4) Q(3, -6) R(0, -10) S(2, 0) PROVE A QUADRIALTERAL IS A SPECIAL TYPE
12. P(5, 4) Q(3, -6) R(0, -10) S(2, 0) PQRS is a parallelogram Definition of Parallelogram PROVE A QUADRIALTERAL IS A SPECIAL TYPE
13. P(4, 8) Q(0, 9) R(-2, 1) S(2, 0) Looks like a rectangle Show 4 right angles Find slopes and show that they are negative reciprocals Clearly it is not a Rhombus PROVE A QUADRIALTERAL IS A SPECIAL TYPE
14. P(4, 8) Q(0, 9) R(-2, 1) S(2, 0) PROVE A QUADRIALTERAL IS A SPECIAL TYPE
15. P(4, 8) Q(0, 9) R(-2, 1) S(2, 0) PQRS is a rectangle A Quadrilateral with 4 right angles is a rectangle PROVE A QUADRIALTERAL IS A SPECIAL TYPE
16. Looks like a Rhombus Show all sides congruent Find length of each side and show that they are the same Clearly it is not a Rectangle PROVE A QUADRIALTERAL IS A SPECIAL TYPE
