Preparing for the ACT 2022-23, Q59. What is the length of the string?

Preparing for the ACT 2022-23, Q59. The figure shows a flying kite. At a certain moment, the kite string forms an angle of elevation of 75° from point A on the ground. At the same moment, the angle of elevation of the kite at point B, 240 ft from A on level ground, is 45 . What is the length, in feet, of the string? #sat #act #digitalsat#Trigonometric functions #digitalsat #math#sine#cosine#tangent