I have a math question

timer Asked: Feb 7th, 2015
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Question description

In a laboratory experiment, an ultrasound detector located at D is used to measure the distances of two moving objects, P and Q. At a certain moment, P and Q are located as shown in the diagram. What is distance PQ?

6.82 feet

5.66 feet

4.74 feet

4.24 feet

3.89 feet 


Tutor Answer

University of Virginia

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