Asked by shan

a self supporting ladder placed so that the angle between the ladder and the ground is 75.5" can be used to test whether the ladder can support a certain load. The diagram represents a ladder placed next to a window that is 20feet above the ground. What is the length of the ladder ? Round to the nearest length.>




Answered by Steve
If the length is x, then

20/x = sin 75.5°

Now just solve for x.
Answered by Anonymous
20
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