An interactive applet that allows you to see the effects of changing the coeeficients in a quadratic function using sliders
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Math Open Reference
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Formula and description of the perimeter of a kite.
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Math Open Reference
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How to determine the area of a triangle given the coordinates of the three vertices using a bounding rectangle
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Math Open Reference
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How to determine the area of a triangle given the coordinates of the three vertices using a formula
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Math Open Reference
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Definiton and properties of a trapezoid (coordinate geometry) including altitude and median
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Math Open Reference
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Area and perimeter of a square (coordinate geometry)
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Math Open Reference
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Definiton and properties of a square (coordinate geometry)
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Math Open Reference
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Definition of the slope of a line given the coordinates of two points on the line, includes slope as a ratio and an angle.
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Math Open Reference
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