1. 5-1 Midsegments of a Triangle
L.E.Q. How do you use properties of midsegments to solve problems?

2. What is a Midsegment?
A segment connecting the midpoints of 2 sides.

3. Theorem 5–1: Triangle Midsegment Theorem
If a segment joins the midpoints of 2 sides of a triangle, then the segment is parallel to the third side and is half its length.

4. Finding Lengths
In H, J, and K are midpoints.
Find HJ, JK, and FG.

6. Identifying Parallel Segments
In A, B, and C are midpoints. Name pairs of parallel segments.

8. Totd:
The perimeter of a triangle is 78 ft. Find the perimeter of the triangle formed by its midsegments.

9. Homework
Pgs #s 1-12, 22-26,