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All the blue lines in the diagram are parallel to the base of the triangle. Find the sum of the measures of the colored angles.

 

 Jan 24, 2021
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Red angle =  180  - 80 - 40   =  60°

Green angle is supplemental to  the 40° angle = 180  - 40  =  140°

Brown angle is supplemental to the 80° angle  =  180  - 80   =100°

The Pink angle  =  the brown angle =  100°

 

 

cool cool cool

 Jan 24, 2021

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