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Mike wants to work out the height of a tree which has a fence all around it.
From A he sees that the angle of of elevation of the top is 19 degrees.
From B, 18m closer, the angle of elevation is 32 degrees.
Work out the height of the tree.
Please help, the topic for this question is sine rule and the area of a triangle.

Mike wants to work out the height of a tree which has a fence all around it From A he sees that the angle of of elevation of the top is 19 degrees From B 18m cl class=