Google Classroom

GeoGebra Classroom

1.04 Exploration

Author:Olivia Urban, Melzoo, Jason Wofsey

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Move any blue point to observe the proportional segments formed by a parallel side within a triangle.

Triangle Proportionality Theorem

Note: The ratios on screen should say CE/BE, not EC/BC

What do you notice about the ratios of the similar triangles' side lengths?

Select all that apply

A
AD/BD = CE/BE
B
AD/EC = BD/BC
C
AD/BC = EC/BD

Check my answer (3)

What do you notice about the ratios of the similar triangles' side lengths?

Select all that apply

A
DA/BC = DC/BA
B
DA/DC = BA/BC
C
DA/BA = BC/DC

Check my answer (3)

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