fvmousdiana fvmousdiana

29-11-2018
Mathematics

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What is the length of side BC of the triangle?

HELLLPPPPPP I WILL MARK AS BRAINLIEST What is the length of side BC of the triangle class=

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wegnerkolmp2741o wegnerkolmp2741o

29-11-2018

Answer:

BC = 24

Step-by-step explanation:

since ABC is an isosceles triangle

<C = <B, then AC = AB

AC=AB

x+8 = 2x-1

subtract x from each side

x+8-x =2x-1-x

8 =x-1

add 1 to each side

8+1 = x-1+1

9 =x

BC = 3x-3

BC = 3(9) -3

BC= 27-3

BC = 24

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