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Mathematics 6 Online
OpenStudy (crashonce):

Using algebra, prove that three altitudes of a triangle are concurrent

OpenStudy (crashonce):

@jim_thompson5910 @ganeshie8

ganeshie8 (ganeshie8):

use the same triangle that you have been using

jimthompson5910 (jim_thompson5910):

Draw any triangle ABC |dw:1420255984270:dw|

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