'Diagonals congruent' diaporamas de présentation

Assessment Strategies Using Calculator, Computer, and Internet Environments

Assessment Strategies Using Calculator, Computer, and Internet Environments. Dr. David Ashley, dia059@smsu.edu math.smsu.edu/faculty/ashley.html Dr. Lynda Plymate, lsm953f@smsu.edu math.smsu.edu/~lynda. Department of Mathematics Southwest Missouri State University Springfield, MO 65804.

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SPECIAL QUADRILATERALS

SPECIAL QUADRILATERALS. NON-PARALLELOGRAMS. Quadrilaterals. The Tricky Trapezoid. Definition: A quadrilateral with exactly one pair of opposite sides parallel. Special Property (Corollary)

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Daily Check (2 pts each)

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ABCD is //gram Find the missing variables

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6-2 pg 382 12) a = 20 13) a = 17 14) a = 18 15) a = 22, BC = 18.5, AB = CD = 23.6 16) a = 6, m ? H = 30 o m ? G = m ? K = 150 o 17) a = 2.5 ft, b = 129 0 , c = m?D increases as m?E decreases. 6-3 pg 393 7) x = 5 8) x = 2, y = 6 9) x = 21, y = 39 10) x = 5/3 11) x = 5

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6-2C Proofs with Special Parallelograms

6-2C Proofs with Special Parallelograms. What happens to the diagonals of parallelograms? What happens to the diagonals of special parallelograms?. Use the terms parallelogram, rhombuses and rectangles to complete the statements. Parallelograms, rectangles and rhombuses Parallelograms

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Lesson 8-7

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Properties of Quadrilaterals

Properties of Quadrilaterals. Elizabeth Turley 4/27/13 Honors Geometry Chapter 8. Types of Quadrilaterals. Parallelogram Rectangle Rhombus Square Kite Trapezoid Isosceles Trapezoid. Parallelogram. Opposite sides parallel Opposite sides equal in length Opposite angles equal

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Geometry 6-4 Rhombus

Geometry 6-4 Rhombus. yes. Opposite sides parallel? Opposite sides congruent? Opposite angles congruent? Consecutive angles supplementary? Diagonals congruent? Diagonals bisect each other? Diagonals perpendicular? Diagonals bisect corner angles?. yes, all sides ?. yes.

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