SOLUTION: A 2.2m by 4.6m ramp is constructed in such a way that the incline of the shorter edge to the horizontal is 30 degrees. Calculate the angle between a diagonal of the ramp and the ho

First, the height of the ramp is half of its shorter edge, i.e. 2.2/2 = 1.1 m.



Second, the length of the diagonal of the ramp is   = .



Third,  

    sin(a) =  = 0.216,     (1)

where "a" is the angle under the question.



Now use your calculator to find "a" from equation (1), your answer.