MajorGeneralZman MajorGeneralZman

23-08-2020
Mathematics

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If B is the midpoint of AC, solve for x, and find the lengths of AB, BC, and AC.

Please show all work and not just the answers.

If B is the midpoint of AC solve for x and find the lengths of AB BC and AC Please show all work and not just the answers class=

Respuesta :

mhanifa mhanifa

23-08-2020

Answer:

49, 49 , 98

Step-by-step explanation:

AC = AB + BC = 2AB

3x - 31 = 2(x+6)
3x - 31 = 2x + 12
3x - 2x = 12 +31
x = 43

AB= BC = x + 6 = 43 + 6 = 49

AC = 2AB = 2* 49 = 98

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