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Mathematics 15 Online
OpenStudy (anonymous):

sudhir walks 0.40 km in a direction 60 degree west of north then goes 0.50 km due west. what is his displacement?

jimthompson5910 (jim_thompson5910):

I'll get you started by drawing out the picture

jimthompson5910 (jim_thompson5910):

|dw:1414021947907:dw|

jimthompson5910 (jim_thompson5910):

|dw:1414021968262:dw|

jimthompson5910 (jim_thompson5910):

|dw:1414022001994:dw|

jimthompson5910 (jim_thompson5910):

|dw:1414022015092:dw|

jimthompson5910 (jim_thompson5910):

so your job is to find this side length |dw:1414022126042:dw|

OpenStudy (anonymous):

um.. for 0.5 , isn't the arrow supposed to go towards west??

jimthompson5910 (jim_thompson5910):

oh right, my bad

jimthompson5910 (jim_thompson5910):

|dw:1414022366653:dw|

jimthompson5910 (jim_thompson5910):

your task is to find this segment's length |dw:1414022385399:dw|

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