2 years ago

B is the midpoint of AC if AB equals X +5 and BC equals 2X -11 find the measure of AB

Mathematics

1 answer:

Anna11 [10]2 years ago

5 0

Answer:

AB = 21

Step-by-step explanation:

The midpoint divides the segment into two congruent parts, so you have ...

AB = BC

x +5 = 2x -11 . . . substitute the given expressions for AB and BC

16 = x . . . . . . . . add 11-x

Then the measure of AB is ...

AB = x +5 = 16 +5 = 21

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