Question

A ladder is used to scale a 13 foot wall. If the angle of elevation from the ground to the top of the wall has

to be 36 degrees, how tall must the ladder be?

Answer 1

22.12feet

Explanation:

the ladder becomes your hypotenuse,the wall is the height,this forms a right angled triangle and the angle of elevation forms at the base,use sine which is opposite over hypotenuse to get your answer