Thread: Midpoints in a Triangle

Please help with the following problem:

in triangle ABC let points D and E be the midpoints of sides AB and AC. Show DE must be half the length of BC.

Thank you,
mdk

Originally Posted by mdk

Please help with the following problem:

in triangle ABC let points D and E be the midpoints of sides AB and AC. Show DE must be half the length of BC.

Thank you,
mdk

is congruent to , then we have