The accompanying figure shows a surveyor collecting GIS data

Last updated: 8/12/2023

The accompanying figure shows a surveyor collecting GIS data at point B on top of a building AB that is 50m high He observes two potential streetlight locations C and D The angle of elevation of B from D is 55 and the angle of elevation of B from C is 48 11 50m 0 52 42 DB 55 y 48 11 3 1 Calculate the length of BD and BC 3 2 Calculate the distance between the two streetlight locations C and D 3 3 Calculate the area of ABCD