Question

If b is the midpoint of ac and ab is 39 what is bc

Answer 1

The answer is BC = 39.

Explanation:

If B is the midpoint, then AC would be divided into two. AB = 39 and AB is half of AC so BC = 39 as well.

Answer 2

Explanation:

a———-b———c

^39. ^?

bc=39

segment addition postulate