When the kite is 120 ft high, it makes an angle of 40 degrees with the level ground. How long is the string?

Question

 When the kite is 120 ft high, it makes an angle of 40 degrees with the level ground. How long is the string?

Answer 1

sin (40 degree) = 120 ft/ length of string

length of string = 120 ft/ sin(40 degree)

you finish