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In each right triangle ABC, find B. The right angle is at C.

1. a= 11.7 m, b= 14.9 m

2. The angle of depression from the top of a 64-ft-tall tower to a deer is 47 degrees 16 minutes. Find the distance from the deer to the bottom of the tower.

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B=arctan b/a check that with a sketch.

2. 64/distance=tanTHeta
solve for distance.

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