Trapezoids (G.9) Obj: SWBAT complete special quadrilaterals and apply the properties of trapezoids (6.6) WU: (1-14 on worksheet) ***hw/hw log/graph paper.

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Trapezoids (G.9) Obj: SWBAT complete special quadrilaterals and apply the properties of trapezoids (6.6) WU: (1-14 on worksheet) ***hw/hw log/graph paper HW (day 49): p.420 (1-37 odd)- check answers in text! Storybook: “Polygons” and “Quadrilaterals” Quiz in two blocks- Bring Graph Paper!!!! Pearsonsuccess.net (due Friday)

Pearsonsuccess.net “Benchmark 3” Parent Conferences Friday, February 13, 2015 10-6 pm, lunch 1:30-3 3rd NW Extra Credit Pearsonsuccess.net “Benchmark 3” Closes on March 27, 2015

A trapezoid is a quadrilateral with exactly _____ pair of ________ sides. Ex: The parallel sides are called _______, namely_____________ The nonparallel sides are called _____, namely _________ In a trapezoid there are two pairs of _____ angles, namely __________ one parallel In a trapezoid, ONLY one pair of opposite sides can be parallel. If both pairs of opposite sides are parallel, the quadrilateral is a parallelogram Bases Legs Base

If the legs of a trapezoid are congruent, then the trapezoid is an isosceles trapezoid. Thm: Base angles of an isosceles trapezoid are congruent Thm : Diagonals of an isosceles trapezoid are congruent.

Median The _________ of a trapezoid is the segment that joins the midpoints of its legs. Thm : The median of a trapezoid is Parallel to the bases, and its measure is one-half the sum of the measures of the Bases. According to the statement above, if RM is the median, which segments are congruent to each other? ________  ________

Base Leg Leg Base Angles Base