the measure of angle x 11 7 m 52 3 15 m 6 The top of a lighthouse is 100 m above sea level The angle of depression from the top of the lighthouse to the sailboat is 28 degrees Calculate the distance between the sailboat and the lighthouse 100 m 7 A firefighter is standing at the top of a 100 foot ladder to out a fire at a building The angle o from the fire fighter to the top of the building is 35 degrees The angle of depression from th firefighter to the bottom of the building is 40 degrees How tall is the building 100 n