#1

A tunne must be constructed through a mountain. The angle of elevation from one side of the mountain is 38.2 . The angle of elevation fromthe other side of the mountain is 27.4 . The height of the mountain is 575m. What is the lenght of the tunnel through this mountain ?

Is the other end of the mountain the upper corner of a right triangle, or the lower ? ANd does anyone have the formula or a similar question I could copy the steps from ?

#2

A vertical light pole on a hillside casts a shadow of 55m long down the hill. If the angle of elevation of the sun is 48.3 and the angle of incilination of the hill is 21.4 . Find the height of the pole.

I know what the angle of elevasion and depression is, but what is the angle of incillination ? I dont get this question.

Fast answeres would be nice, its almost 3 am and i can barely force my yeyes to be open: Due date of this Assignment is tomorrow, its an online submission which has to happen before 11 am