SOLUTION: please help my solve this problem. triangles ABC and AFD are vertical congruent equilateral triangles. Find x and y. 2x+9 5x-12 6y 2x+9 = 5x-12 21+3x 7=x how do i find y?

SOLUTION: please help my solve this problem. triangles ABC and AFD are vertical congruent equilateral triangles. Find x and y. 2x+9 5x-12 6y 2x+9 = 5x-12 21+3x 7=x how do i find y?

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Question 386725: please help my solve this problem.
triangles ABC and AFD are vertical congruent equilateral triangles. Find x and y. 2x+9 5x-12 6y
2x+9 = 5x-12
21+3x
7=x
how do i find y?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Using 2x + 9 or 5x-12, you should get 23 for the common length of the equilateral triangle (by putting in x = 7). Hence 6y = 23, or y = 23/6.
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