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What is the length of side BC of the triangle? Make sure to show all of your work!

What is the length of side BC of the triangle? Make sure to show all of your work-example-1

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isosceles triangle
so
x + 8 = 2x -1
x = 9

BC = 3x - 3
BC = 3(9) - 3
BC = 27 - 3
BC = 24
User Meddlingwithfire
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