SOLUTION: Find the vertex angle of an isosceles triangle with base angles of (8x-7) and (6x+9). Show your work for credit.
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Question 286942: Find the vertex angle of an isosceles triangle with base angles of (8x-7) and (6x+9). Show your work for credit.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Hint: Let 'y' be the vertex angle. Recall that the angles in a triangle add to 180 degrees. So . Also, since we're dealing with an isosceles triangle, this means that the base angles are equal. This means that . Solve this equation for 'x' and then use that solution to find 'y'.
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