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Quadrilateral Investigation
Author:
Debra Schneider
Measure sides, slopes and angles to investigate properties.
Remember Parallel lines have the same slopes. Perpendicular lines have opposite reciprocal slopes (a/b and -b/a) Perpendicular lines form right angles.
Measure angles and line segments
Kite
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Trapezoid
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Isosceles Trapezoid
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Parallelogram
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Rectangle
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Rhombus
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Square
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Droste effect
Art and Rotational Symmetry
探究由平行線和截線所成的角
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Periodic Functions
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Linear Simultaneous Equations
Λόγος προσκείμενης κάθετης πλευράς προς υποτείνουσα - συνημίτονο οξείας γωνίας
day 89
Untitled
Liv spiral
Discover Topics
Correlation
Quadrilaterals
Median Line
Functions
Limits