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The accompanying figure shows a surveyor collecting GIS data at point B on top of a building AB that's 50m high. He observes two potential streetlight locations C and D. The angle of elevation of B from D is 55° and the angle of elevation of B from C is 48.11°

Calculate the length of BD and BC 2 Calculate the distance between the two streetlight locations C and D Calculate the area of ABCD

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