Math CentralQuandaries & Queries


Question from jilayna, a student:

if i walk 5 miles north, 7 miles east, and 3 miles north the nearest tenth of a mile ,how far,in a straight line, am i from my starting point


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?


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