Question: A persons view ( angle OF elevation ) to 120 1 see the top of a building is 200 80m when they move closerby 80m,

A persons view ( angle OF elevation ) to 120 1
A persons view ( angle OF elevation ) to 120 1 see the top of a building is 200 80m when they move closerby 80m, the angle of elevation becomes 230 What is the height of the building

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