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Mathematics 7 Online
OpenStudy (mackenzie2013):

To get from one town to another, Pierre must travel 15 kilometers west and 8 kilometers north. What is the direct distance between the two towns? 23 km 13 km 17 km 7 km

OpenStudy (anonymous):

This is a lot easier if we draw a picture|dw:1405370561079:dw| Have you ever heard of pythagoreans theorem?

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