Question 1078545
The angle of depression is the angle between a horizontal
line through the top of the building and sighting of the car.
I think the assumption is that the bottom of the building
and the car are in the same horizontal plane.
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Let {{{ d }}} = distance between the car and the top of the building.
{{{ sin( 41 ) = 30/d }}}
{{{ .65606 = 30/d }}}
{{{ d = 30/.65606 }}}
{{{ d = 45.728 }}} m
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check the math