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2 years ago

12

To drive to work, Dave has to drive 20 miles east and then 15 miles north. If there were a direct road going northeast, how many

miles would he have to drive?

1 answer:

suter [353]2 years ago

7 0

By the Pythagorean theorem:

$x= \sqrt{20^2+15^2}= \sqrt{400+225}= \sqrt{625}=25 \ miles$

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