SOLUTION: If angle A is (2c+2)°, angle B is (5c-1)°, and angle C is (c+7)° is the triangle acute, right or obtuse?

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Question 1062660: If angle A is (2c+2)°, angle B is (5c-1)°, and angle C is (c+7)° is the triangle acute, right or obtuse?
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
So then,






So,



and



and



Since,

the triangle is obtuse.

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