A cacher
Teaching resources / Remarkable lines
This section contains documents for teachers to help them design lesson sequences:
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Introductory activity
Activity to discover the circumscribed circle
Courses
How to draw a perpendicular bisector using an unscaled ruler and a compass
Method for tracing a bisector using an unscaled ruler and compass
Representation in any triangles of remarkable straight lines (height, median, perpendicular bisector, height)
Representation of the points of intersection of the remarkable straight lines in a triangle (height, median, perpendicular bisector, height)
Representation of remarkable straight lines in a triangle (with geogebra 5.0)
Introduction to remarkable straight lines and their points of intersection. (with geogebra 5.0)
Demonstration of the concourance of the medians in any triangle
Activities
Use the area of a triangle to determine the measure of a height or side
ChingMath
by ChingLab©
by ChingLab©