Answer
$MN= \frac{1}{2} BC$
Work Step by Step
The mid-segment of a triangle is half the length of the base.
$MN= \frac{1}{2} BC$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.