Asked by berlanda

Given that D is the midpoint of AB and B is the midpoint of AC, which statement must be true?

A line has points A, D, B, K, C.

AD = One-thirdAC
AC = 4DB
AB + DC = AC
BK = KC

All Answers 1

Answered by GPT-5 mini AI
AC = 4DB

Reason: Let AB = x. Then D is midpoint of AB so DB = x/2. Since B is midpoint of AC, AC = 2·AB = 2x. Thus AC = 2x = 4·(x/2) = 4DB. The other choices are not necessarily true.