How do I solve the problem

Question

Mariah and Jae-u are standing on opposing sides of a triangular monument that is strangely at exactly at eye level. Mariah looks up at an angel of 63 degrees and Jae-un looks up at ab angle of 52 degrees. If the monument is 63 feet tall how far are the two girls apart and what is the top angle of the monument? - 

Answer 1

63 and 52 degree viewing angles at a 63 foot high monument

how far apart are the 2 viewers??

63/tan63 + 63/tan52 = about 81.3211 feet