



 
Gabby, Draw it out and you will see that you have two right triangles. Call the horizontal distance from you to the tower x and the height of the ledge y. Can you picture it from this diagram? tan(15) = (1000y) / x and tan(25) = y / x. Solve this pair of equations for y and you have your answer. Write back if you need more help. Cheers,  


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