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Creating parallel lines
Author:
Andrew Ward
GeoGebra
Task
Make the back line have the same gradient as the red line.
New Resources
Squares Question
What Do You See? (2)
Slope Illustrator (2)
Right Triangle Inscribed in a Semicircle
挂谷问题——三尖瓣形
Discover Resources
Two points on a base of an isosceles triangle
Michelle_Measuring Objects
Triangle Proportionality Theorem Discovery
สามเหลี่ยมมุมฉาก
lamp, Tiziana and Sophie
Discover Topics
Difference and Slope
Volume
Random Variables
Linear Programming or Linear Optimization
Derivative