Question

C is between A and D , and B is the midpoint of AC . If BC=2 and BD=7 , find AD

Answer 1

AD = 9

Explanation:

B is the midpoint of AC and BC = 2 so AC = 4.

BD is given as 7 so all we need to do is add up the given values:

AC + BD - BC = AD

4 + 7 - 2 = 9