21. Kim and Yolanda are watching a movie in a movie theater. Yolanda is sitting x feet from the movie screen, and Kim is 15 feet behind Yolanda. The angle that Kim's line of sight to the top of the screen
makes with the horizontal is 30°. The angle that Yolanda's line of sight to the top of the screen
makes with the horizontal is 45°.
How far is Yolanda from the screen? Round your
answer to the nearest tenth.
xra
30° 135/45
15 ft +
xft