Anisosceles triangleis a triangle that has two of itssides equaland alsotwo equalangles.Thelengthofline BCis40So,line AB = x + 17line BC = 2x - 6equatethe lineline AB = line BCx + 17 = 2x - 6x - 2x = -6 - 17- x = - 23x = 23substitutex = 23intoline AB = x + 17= 23 + 17= 40line BC = 2x - 6= 2(23) - 6= 46 - 6= 40Therefore, thelengthofline BCis40Read more:brainly.com/question/13664166...

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