5.1 ­ Midsegments of Triangles.notebook
January 05, 2015
5.1: Midsegments of Triangles
Date: 1/5
A midsegment of a triangle is a segment connecting the midpoints of
two sides of the triangle.
Theorem 5­1: Triangle Midsegment Theorem
“If a segment joins the midpoints of two sides
of a triangle, then the segment isparallel
to the third side and is half as long.”
B
A
C
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5.1 ­ Midsegments of Triangles.notebook
January 05, 2015
Ex 1). What are three pairs of parallel segments in
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5.1 ­ Midsegments of Triangles.notebook
Ex 2). In
January 05, 2015
G, H, and K are midpoints. If RS = 28, GH = 20,
and RH = 22, what is the length of KH, ST, and GK?
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5.1 ­ Midsegments of Triangles.notebook
January 05, 2015
Ex 3). What is the distance across the river?
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5.1 ­ Midsegments of Triangles.notebook
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5.1 ­ Midsegments of Triangles.notebook
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5.1 ­ Midsegments of Triangles.notebook
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Homework:
pg. 305 #1 – 4, 7 – 22
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