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| Math Central | Quandaries & Queries |
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Question from jilayna, a student: if i walk 5 miles north, 7 miles east, and 3 miles north again.to the nearest tenth of a mile ,how far,in a straight line, am i from my starting point |
Jilayna,
Did you sketch a picture?
You started at S and ended at E.
What is the distance from S to C?
What is the distance from C to E?
The angle SCE is a right angle.
What does Pythagoras tell you about the distance from E to S?
Penny
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