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B is the midpoint of AC, find the value of m

B Is The Midpoint Of AC Find The Value Of M class=

Answer :

Answer:

m = 7

Explanations:

From the image provided:

AB = 9m + 10

BC = 12m - 11

Since B is the midpoint of AC, it means that:

AB = BC

9m + 10 = 12m - 11

Collect like terms

12m - 9m = 10 + 11

3m = 21

m = 21/3

m = 7

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