Rhombus Surprise! (GoGeometry Action 57)
Creation of this applet was inspired by a
from Antonio Gutierrez (
What is the measure of the pink angle?
How can we formally prove what is informally illustrated here?
Quick (Silent) Demo
Activity 1.4 - Lesson -Role of b
Geogebra workshop - Isosceles trapezoid
Social Science Teaching Aid
dilating a triangle in a coordinate plane
Copia lui Radians in Unit Circle
Kopi af Try yourself - Spreadsheet 01