Using the slope concept, it is found that the maximum length of the seesaw is of 1.73 meters.
The slope is given by the vertical change divided by the horizontal change, and it's also the tangent of the angle of depression.
In this problem:
Hence:
tan(30º) = 1/l
l = 1/tan(30º)
l = 1.73.
More can be learned about the slope concept at https://brainly.com/question/18090623
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