SOLUTION: B is the midpoint of AC, D is the midpoint of CE, and AE = 21. find BD. please please help me with this

Algebra ->  Triangles -> SOLUTION: B is the midpoint of AC, D is the midpoint of CE, and AE = 21. find BD. please please help me with this      Log On


   

Question 388861: B is the midpoint of AC, D is the midpoint of CE, and AE = 21. find BD. please please help me with this
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

B is the midpoint of AC, D is the midpoint of CE, and AE = 21.
find BD
since B is the midpoint of AC, AB=BC or AB%3AAC=1%3A2
same for D which is the midpoint of CE, so CD=CE%2F2
consequently, AE+=+2%2ABD or BD+=+AE%2F2
or
+BD=10.5