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Unit: Triangles

About this unit

You probably like triangles. You think they are useful. They show up a lot. What you'll see in this topic is that they are far more magical and mystical than you ever imagined!

Triangle types

Learn

Practice

Classify triangles by angles
4 questions
Classify triangles by side lengths
4 questions

Triangle angles

Learn

Practice

Find angles in triangles
7 questions
Find angles in isosceles triangles
4 questions
Finding angle measures between intersecting lines
4 questions
Finding angle measures using triangles
7 questions

Triangle inequality theorem

Learn

Triangle inequality theorem
(Opens a modal)

Practice

Triangle side length rules
4 questions

Perpendicular bisectors

Learn

Angle bisectors

Learn

Medians & centroids

Learn

Altitudes

Learn

Bringing it all together

Learn

Unit test

Test your understanding of Triangles with these 9 questions.