math
posted by cathy .
a boy travels 15 km due north,then goes 9 km due east,then 3km due south.how far is he from his starting point
find the distance the boat would have traveled if it had gone directly from point p to point t

He's 12 km north and 9 km east of his starting point.
Use the Pythagorean Theorem to find the hypotenuse of this right angle triangle. 
how would i do that??

JJ showed you in your last post.
http://www.jiskha.com/display.cgi?id=1361403848 
oh sorry didn't realize i posted it twice

15

Jo guys i need help

Yes