







The height of a building 
20150218 

prateek pose la question : the height of a flagpole on top of a building is 6m.
the angle of elevation of the top and bottom of the flagpole are 45 and 30 respectively.
find the height of the building Penny Nom lui répond. 





An antenna is atop a building 
20140705 

Andrew pose la question : If an antenna is atop a building 70 feet tall and the antenna has a beamwidth of 30 degrees how far from the building does the beam first touch the ground? Penny Nom lui répond. 





The angles of elevation and depression 
20121203 

Chelsey pose la question : a person on a balcony of one building looks towards a second building. if the angle of elevation to the top of the second building is 25 degrees, the angle of depression to the bottom of the second building is 17 degrees, and the balcony of the first building is 22 feet above the ground, what is the height of the second building? Penny Nom lui répond. 





What is the height of the building? 
20110205 

Myra pose la question : The angle of elevation is 45 degrees. The distance from George's foot to the top of the building is 50m. What is the height of the building? Penny Nom lui répond. 

