Question 1032883

*[illustration advt]

sin 25 =x/300

sin 30 = (x+h)_/300



x= 300 sin 25------------------(1)

300 sin 30 = x +h

300 sin 30-h = x ----------------(2)

300 sin 25= 300 sin 30-h 

h = 300 sin 30 -300 sin 25

h = 23.2 ft