Height of the rock wall is 52.2 ft.
Step-by-step explanation:
These two triangles are similar, so using the similarity ratio, we can write as,
Δ HTV ~ Δ JSV
Now we can write the ratio as,
HT/TV = JS/SV
5.8/4 = x/36
Rearranging the equation to get x as,
x = 36 × 5.8 /4
= 52.2 ft