Question

points a,b,c are collinear with point B between A and C. If AC=10 and BC=7, then the length of AB=
I think I know the answer but I want to be sure if I'm right would be helpful if someone can guide me through with the question thank you.

Answer 1

My answer is 3

Answer 2

Yup

Answer 3

So all I have to do is subtract 10-7 to get 3.

Answer 4

Yes but do you know why?

Answer 5

cause they're looking for AB

Answer 6

Right. And it's mostly logic thinking. Sketching the info you have should help you see it clearly if not right away. :)

Answer 7

thanks I will take your advice :3