Prove: The segment joining the midpoints of two sides of a triangle is parallel to the third side.

https://media.glynlyon.com/g_geo_2013/9/q411a.gif

Question

Prove: The segment joining the midpoints of two sides of a triangle is parallel to the third side.

https://media.glynlyon.com/g_geo_2013/9/q411a.gif

fibonaccichick666 · Answer

how do you show that two lines are parallel?

anonymous · Answer

is it with an equilateral triangle

fibonaccichick666 · Answer

nah, any triangle ashley

anonymous · Answer

ok

fibonaccichick666 · Answer

@cjjordan , care to answer me?

anonymous · Answer

@FibonacciChick666 sorry was looking at my work trying to figure it out

fibonaccichick666 · Answer

ok, that's fine, but if you could toss a h/o or something in it's helpful, but anyways, can you answer my query?

anonymous · Answer

@FibonacciChick666  you shoe that the lines are parallel from line MN and AB

fibonaccichick666 · Answer

huh?

fibonaccichick666 · Answer

oh, no i mean in general, how do you show two lines are parallel?  also please stop tagging me each time, it's not necessary

anonymous · Answer

they don't intersect

fibonaccichick666 · Answer

*how do you prove they are parallel*? like what is the process?