Smee is walking on a trail in the Everglades when he comes to an alligator-infested lake.  He wants to build a bridge across the lake from point B to point A.  He walks 36 feet due east of point B and marks another spot, point C, where he drives a stake into the ground.  He walks an additional 9 feet due east to point D, then turns due south.  He walks 12 feet south to point E, so that points A, C, and E are collinear.

Trigonometry (MindTap Course List)
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Chapter3: Additional Topics In Trigonometry
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Smee is walking on a trail in the Everglades when he comes to an alligator-infested lake.  He wants to build a bridge across the lake from point B to point A.  He walks 36 feet due east of point B and marks another spot, point C, where he drives a stake into the ground.  He walks an additional 9 feet due east to point D, then turns due south.  He walks 12 feet south to point E, so that points AC, and E are collinear.  

 

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