The answer is 15.6 meters/min
Where is the question though
8.25 or 9 .....................................................................................
The <span>Pythagorean Theorem tells us that

where c is the </span><span>hypotenuse and a and b are the other two sides. To solve for one of the shorter sides we need to rearrange:

We can then substitute known values, and solve:
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I think the answer is 11 3