The direct distance from a starting point to a finish line is 15 miles. Unfortunately, you can't take the direct route. If you travel 12 miles east, how many miles north must you travel to reach the finish line?

Question

anonymous · Answer

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like this?

anonymous · Answer

if so answer is 
$$\sqrt{15^2-12^2}$$

anonymous · Answer

the only other info is the answer is one of these
.a  10
b.   19
c.     9

anonymous · Answer

did you compute what i wrote?  answer is there

anonymous · Answer

it says math processing error

anonymous · Answer

refresh your browser

anonymous · Answer

square root of 15 squared minus 12 squared is 9

anonymous · Answer

thanks you tons xx