The shadow cast by a building varies directly with height of the building. If a building, 30 meters high, casts a shadow of 26.25 meters, find the equation that matches this scenario

Larissa dives into a pool that is 8 feet deep. she touches the bottom of the pool with her hands 6 feet horizontally from the point at which she entered the water. what is the approximate angle of elevation from the point on the bottom of the pool where she touched to her entry point? 36.9° 41.4° 48.6° 53.1°