Exterior Angles Theorem
Select Exterior Angle A, Angle B and Angle C. [br][br]Add interior angles B and C. How does this compare to exterior angle A?
exterior angle A = interior angle B + interior angle C
Select Exterior Angle B, Angle A and Angle C. [br][br]Add interior angles A and C. How does this compare to exterior angle B?
exterior angle B = interior angle A + interior angle C
If interior angle A = 60 degrees and interior angle B = 70 degrees, what is the measure of exterior angle C?
130
30
50
90
Select all exterior angles. Add these exterior angles. What is the sum of the exterior angles?
180
360
90
270
Which of the following can be concluded about the exterior angles of triangles. Select all that apply.
The sum of the exterior angles of a triangle is 360
An exterior angle is the sum of the opposite two interior angles
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Informazioni: Exterior Angles Theorem