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What is the number of degrees in the exterior angle of the largest angle of a triangle if the interior angles are in the ratio of $2:3:4$?

 Mar 17, 2024
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Largest angle =  4 / ( 2 + 3 + 4) * 180   =  (4/9) *180   = 80°

 

The exterior angle is supplemental  =  180 - 80   =  100°

 

cool cool cool

 Mar 18, 2024

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