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6.6 Special Quadrilaterals. Day 6. Summarizing Properties of Quadrilaterals. Quadrilateral. Kite. Parallelogram. Trapezoid. Isosceles Trapezoid. Rhombus. Rectangle. Square. Identifying Quadrilaterals.
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Summarizing Properties of Quadrilaterals Quadrilateral Kite Parallelogram Trapezoid Isosceles Trapezoid Rhombus Rectangle Square
Identifying Quadrilaterals • Quadrilateral ABCD has at least one pair of opposite sides congruent. What kinds of quadrilaterals meet this condition?
Sketch KLMN. K(2,5), L(-2,3), M(2,1), N(6,3). • Show that KLMN is a rhombus.
Copy the chart. Put an X in the box if the shape always has the given property. X X X X X X X X X X X X
Determine whether the statement is true or false. If it is true, explain why. If it is false, sketch a counterexample. • If CDEF is a kite, then CDEF is a convex polygon. • If GHIJ is a kite, then GHIJ is not a trapezoid. • The number of acute angles in a trapezoid is always either 1 or 2.