Drown lemme know if this helps!
It is C. George - Desmond is Desmond's score. And after you get their scores, you add them up to find the total.
Answer:
Perpendicular bisector theorem
Step-by-step explanation:
The illustration of the theorem is:
If point B is a perpendicular bisector of Line AC and the length of AC is 10cm
Then

Where
--- Perpendicular bisector
So, the equation becomes



Recall: 
