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Identifying Perpendicular

Author:YongLi, Mark Dabbs

Area of a Triangle Demonstration (2)

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Square Matrix Calculator
Vectors: Scalar Multiplication
Measuring Cup
apec
Ellipse and Equation

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Law of Sines
Solving Quadratic Equations
Parllelogram Lab 3
Pappus Chain
equiltriangles

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Step Functions
Isosceles Triangles
Centroid or Barycenter
Prism
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