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Midline Surprise
Author:
Ted Courant
Two 45º-45º-90º triangles are placed side-to-side, as shown, and midpoints of the indicated segments are joined.
GeoGebra
Prove that the resulting quadrilateral is a square.
New Resources
Average Rate of Change: Graph a Function (1)
Blancmange curve (fractal)
Tutorial: Create lists of numbers and objects
alg2_05_05_01_slider_practice_flvs
Parallelograms: Quick Investigation
Discover Resources
Desigualdad del triángulo
Gen: RightHandTheory
Kesetaraan
Two Pizzerias
Optional Lesson 7
Discover Topics
Sequences and Series
Integral Calculus
Prism
Calculus
Centroid or Barycenter