SOLUTION: in triangle abc, an exterior angle at A measures 40. which is the longest side of the triangle

Question 395924: in triangle abc, an exterior angle at A measures 40. which is the longest side of the triangle
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

in triangle , an exterior angle at measures
which is the longest side of the triangle?

An angle and an angle must be equal .
Therefore we would do , which would give us
at .

We also know that is an angle because it is greater than
degrees, and a triangle can only have obtuse angle.
Since the

the , the longest side must be .

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