Answer:
26.2
Explanation:
From the given diagram;
Opposite side IJ = 22
Hypotenuse HI = x
Angle of elevation = 57degrees
Using the SOH CAH TOA;
sin theta = opposite/hypotenuse
sin theta = IJ/HI
sin57 = 22/x
x = 22/sin57
x = 22/0.8387
x = 26.2
Hence the legnth of HI is 26.2