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Trapezoids. Ernest Roberts, Cindy Orellana , A my Weller, Camille Ancheta. Things to Know About a Trapezoid. A trapezoid quadrilateral that has exactly one pair of parallel sides Formula of area is A=1/2*b(h). b1. h. b2. Proving a Trapezoid. A. C. E. Given: AT || CO
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Trapezoids Ernest Roberts, Cindy Orellana, Amy Weller, Camille Ancheta
Things to Know About a Trapezoid A trapezoid quadrilateral that has exactly one pair of parallel sides Formula of area is A=1/2*b(h) b1 h b2
Proving a Trapezoid A C E Given: AT || CO AC congruent TO Prove: <A congruent <T <ACO congruent <TOC F O T Statements: AT || CO AC congruent TO TACO is an isosceles trapezoid. AT & CO are bases of TACO. <A & <T is 1 pair of base angles of TACO. <A congruent <T <ACO & <TOC is pair of base angles of TACO. <ACO congruent <TOC Reasons: Given Given Definition of Isosceles Trapezoid Definition of Trapezoid Base Definition of Base Angle Definition of Isosceles Trapezoid Definition of Base Angles Definition of Isosceles Trapezoid
Constructing the Median a of Trapezoid • Draw a trapezoid of any size or shape. • Label the vertices ZOID with legs ZD and OI • Bisect the legs by making arc marks on both sides of each leg then connecting the two points made by the arc marks • Connect the points of intersection on the two legs