Answer:
13.85
Step-by-step explanation:
Find the diagram attached
Using the similarity theorem of a triangle;
GH/FG = FG/EF
x/15 = 36/39
x/15 = 12/13
Cross multiply
13x = 12 * 15
13x = 180
x = 180/13
x = 13.85
Hence the value of x to the nearest hundredth is 13.85