Answer:
15
Step-by-step explanation:
Diagram would be helpful.... I am assuming this is a right triangle with legs ratio 3:4
x = 4
6(x+3)-3= 39
6x+18-3 =39
6x+15 =39
-15 -15
6x= 24
/6 /6
x=4
D 1/40
A. 1/5
A.
14
are the right i think