The answer is given above
125 cubes can be made up with 18 cubes how? multiply 5×5×5 witch gets you 125.
hope that helps
Answer:

Step-by-step explanation:
By the definition of an angle bisector, we have that
.
We can add
to both sides to get
.
We can then subtract
from both sides to get
.
We can finally divide both sides by
to get 