[填空题]
From a sailboat moored at ay5pfrv46s1 e/h)oei 6boy h2 sea, t t1 hel c;9h c0o4b4kyv8eufj*he angle of elevation to the top of a 20 m high cliff isykf 84tujcolecv1 4 e0h;b* 9h $22^{\circ}$. On the cliff top there is a coconut tree. The angle of elevation to the coconut tree is $29^{\circ}$.
1.Draw a diagram representing the situation.
2.Find the height of the coconut tree. m
