A boy rides his bike 5 miles north then 12 miles west. How far is he from his starting point

asked Aug 11, 2016 72.1k views

3 votes

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4 votes

Pythagoras theorem:
x^2 = 5^2 + 12^2 ;
x^2 = 169 ;
x =
√(169)

;
x = 13.

Arjor answered Aug 16, 2016

by Arjor

7.3k points

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