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What is the length of BC

What is the length of BC-example-1

1 Answer

4 votes

Answer:

CB = 17

Explanation:

This is an isosceles triangle so AC = AB

x+9 = 2x-8

Subtract x from each side

x+9-x =2x-8-x

9 = x-8

Add 8 to each side

9+8 = x-8+8

17 = x

CB = x

CB = 17

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