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Area of a Trapezoid by Similarity
Autor:
John Golden
Tema:
Àrea
,
Trapezoide
Inspired by Ed Southall's trapezoid musings.
http://solvemymaths.com/2015/03/07/proof-area-of-a-trapezium-trapezoid-us/
In the sketch, it is set up so BC<=AD. Is that an okay assumption to make?
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apec
Rolling an Equilateral Triangle
bewijs stelling van Pythagoras
Descobriu materials
Circle Theorem 6 - Tangents from a Point to a Circle
#10-17
centroid of a triangle
Lesson 3
Nth Root of Complex Number
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Equacions
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Gràfica d'una funció
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