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Homework Statement
I do not know how to draw a triangle here, but basically, there is an equilalteraly tangle slightly slanted to the left, and it hs a horizontal line cutting it through the middle.
the question says:
prove using vectors that DE=1/2 BA (DE is the two endpoints of the line cutting the triangle in half)
and BA is the bottom line of the triangle...the two end points are labeled B and A.
how would i do this question?