## Elementary Geometry for College Students (7th Edition)

Law of sines $\frac{sine 75°}{15 m}$ = $\frac{sine 35°}{y}$ $\frac{1}{y}$ = $\frac{sine 75°}{15 m}$ * $\frac{1}{sine 35°}$ y = $\frac{15 m}{sine 75°}$ * sine 35° = 8.9m