1.08 Day 2 Triangle Angle-Sum Theorem
Click the checkboxes to show the parallel lines, transversals, and angle measures.
Why are the measures of the two angles labeled Angle A (in pink) equal?
They are alternate interior angles.
They are linear pairs.
They are vertical angles.
They are corresponding angles.
Why are the measures of the two angles labeled Angle B (in blue) equal?
They are linear pairs.
They are vertical angles.
They are alternate interior angles.
They are corresponding angles.
What must be the sum of the measures of angles A, B, and C? Why?
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Information: 1.08 Day 2 Triangle Angle-Sum Theorem