Midsegment Theorem

1
Section 5-4

• Midsegment Theorem

2
Midsegment of a Triangle

• The segment connecting the midpoints of two sides
  of a triangle

3
Example
Find the coordinates of the endpoints of each
midsegment.
Recall the Midpoint Formula

4
Midsegment Theorem

• Midsegment is parallel to the third side of the
  triangle
• Midsegment is half as long as the third side.

5
6 cm
Midsegment
midpoint
midpoint
12 cm
6
Examples
14 cm
2x
8 m
28 cm
12
16 m
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Find the perimeter of ABC
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