Quadrilaterals.notebook
January 18, 2017
Good morning, today is Tuesday January 17, 2017
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Quadrilateral ­ a four sided figure.
The sum of the interior angles of a quadrilateral is 360. The sum of the exterior angles of a quadrilateral is also 360.
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6­2 Properties of Parallelograms page 359
MAFS.912.G ­ CO.3.11
Parallelogram ­ is a quadrilateral with both pairs of opposite sides parallel.
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In a quadrilateral, opposite sides do not share a vertex, and opposite angles do not share a side.
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consecutive angles are same­side angles
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Using same­side or consecutive angles.
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Now you try:
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Using algebra to find lengths of diagonals
pg.364
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pg.363
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6­3 Proving That a quadrilateral is a Parallelogram page 367
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Homework pages 364­365 # 13, 15, 16 ­24 all , 30 and 38­40. pages 372­373 8 ­ 24 even only. DUE Monday 1/23/17
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