Geometry in Motion · Geometry
Angles and Parallel Lines
Using the properties of parallel lines and transversals to determine unknown angle measures.
Key Questions
- 1Why must the sum of the interior angles of any triangle always be 180 degrees?
- 2How do the angles formed by a transversal prove whether two lines are parallel?
- 3What is the relationship between an exterior angle of a triangle and its remote interior angles?
Ontario Curriculum Expectations
ON: Spatial Sense - Grade 8
Grade: Grade 8
Subject: Mathematics
Unit: Geometry in Motion
Period: Geometry
Suggested Methodologies
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