annagracealonso annagracealonso

24-08-2021
Mathematics

contestada

B is between A and C, BC=38, and AC=42. Find AB
help please!

Respuesta :

vanillanekox3 vanillanekox3

25-08-2021

Answer:

AB = 4

Step-by-step explanation:

AB + BC = AC

Substitute the line segments for their given values:

AB + 38 = 42

Subtract both sides by 38:

AB = 42 - 38

AB = 4

Check your work:

4 + 38 = 42

42 = 42

Correct!

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