Question 26733
Draw a diagram.


Draw a vertical line representing the wall and a horizontal one representing the floor. Draw a diagonal line for the ladder.


Let h = height of ladder against wall
Let x = distance of foot of ladder from wall.

Mark on the diagram the top angle of 25degrees and the ladder of 6m


a. cos25 = h/6 --> h = 6cos25 --> h = 5.44m


b. sin25 = x/6 --> x = 6sin25 --> x = 2.54m


c. 2m tall person on top of the ladder, which rests at 5.44m above the ground will be able to see over the 7m wall.


jon.