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2-28.

Solve for in each diagram below. Homework Help ✎

The Triangle Angle Sum Theorem states that the sum of
all the interior angles in a triangle will be .
Find the missing angle in each triangle.

The sum of supplementary angles is .
Solve for using the general equation
missing angle .

  1. 8-6 diagram a

  1. 8-6 diagram b

  1. 8-6 diagram c

  1. 8-6 diagram d