SOLUTION: the length of ac is 3 times the length of cd. if b is the midpoint of ac and the length of cd is 5, what is the length of bd?

Algebra ->  Length-and-distance -> SOLUTION: the length of ac is 3 times the length of cd. if b is the midpoint of ac and the length of cd is 5, what is the length of bd?      Log On


   

Question 347355: the length of ac is 3 times the length of cd. if b is the midpoint of ac and the length of cd is 5, what is the length of bd?
Answer by dnetman99(5) About Me  (Show Source):
You can put this solution on YOUR website!
cd=5
ac=15
ab and bc = 7.5
bd = bc +cd
bd = 7.5 + 5
bd= 12.5