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Connecting the midpoints of a quadrilateral
Author:
David Wees
,
David Wees
Draw around the points colored in blue. What do you notice about the brown shape? What questions do you have?
GeoGebra
New Resources
探究長方形對角線上的正方形數目
Experiments with Transformations in the Plane
centripetal force
အခြေခံ data အခေါ်အဝေါ်များ
power rule of x^n derivatives
Discover Resources
equation of a line when any one point and slope are given
SLHS sample
forum (2)
parabolprojekt
Properties of a rhombus
Proposition 4: The Side-Angle-Side Criterion
Logarithm1
Discover Topics
Histogram
Matrices
Surface
Functions
Equilateral Triangles