SOLUTION: in right triangle abc the measure of angle c=90 and the measure of angle b= 40. what is the measure of an exterior angle at vertex a
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Question 966522: in right triangle abc the measure of angle c=90 and the measure of angle b= 40. what is the measure of an exterior angle at vertex a Answer by amarjeeth123(569) (Show Source):
You can put this solution on YOUR website! Measure of an exterior angle at vertex a=sum of interior opposite angles=90+40
Measure of an exterior angle at vertex a=130 degrees.
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