Question

FIND THE HEIGHT OF A TREE,IF 120 FT. FROM ITS BASE THE ANGLE OF ELEVATION OF ITS TOP IS 10 DEGREE 18 MINUTES

Answer 1

well, we have
h/120 = tan 10°18'
h = 21.8 ft

Answer 2

we have 120 ft and 10 degree 18 minutes.
tan10*18'= height/120ft
height= 22ft