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Mathematics 12 Online
OpenStudy (anonymous):

vectors

ganeshie8 (ganeshie8):

use dot product and find any two angles of the triangle

ganeshie8 (ganeshie8):

|dw:1378466435271:dw|

OpenStudy (anonymous):

i know dot product but which vertices do i need to multiply

ganeshie8 (ganeshie8):

|dw:1378466476558:dw|

ganeshie8 (ganeshie8):

call the given points A, B C

ganeshie8 (ganeshie8):

join A, B, C to form a triangle

ganeshie8 (ganeshie8):

|dw:1378466562043:dw|

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