Posted by bob on Friday, September 2, 2011 at 6:12pm.
An observer, whose eyes are 1.97 m above the ground, is standing 47.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 25.0° above the horizontal. How tall is the tree?

physics  Damon, Friday, September 2, 2011 at 7:17pm
1.97 + 47 tan 25
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