Trigonometry and Acute Triangles

Question

The angle of elevation from the roof of a 10 m high building to the top of another building is 41^o . The two buildings are 18 m apart at the base.

 

^{- How tall, to the nearest metre, is the taller building?} 

Answer 1

tan 41 = h/18

 

h = 18*tan 41 

 

 

    = 15.6471612