The graph below shows a bridge between two islands. If point m is the mid point of PQ, and PM=6 centimeters, what is the length of PQ?

A. 3cm
B.9cm
C. 6cm
D. 12cm
I don't understand how to do this so please help.

2 answers

Assuming PM is half way, what would be the whole way (PQ)?
12cm? Is dat right? The question is worded a little funny. So i got confused...
thx tho