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Parallel and Perpendicular Lines in the Coordinate Plane
Author:
Tim Brzezinski
Note the EXACT SLOPE tool (with blue background).
GeoGebra
Quick (Silent) Demo
New Resources
Constructing an Isosceles Triangle with Given Side + Activities
Monge's Theorem
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Trophy (version 2)
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Thinking with Math Models
ASS - Oberbroeckling
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Hình 2.23 trang 51
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Terms
Polygons
Line Segment
Statistics
Function Graph