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Transcript 
IntGeom 4­1 Completed.notebook
October 03, 2013
Interactive
Geometry
Chapter 4
Triangles
Sep 28­7:03 PM
Lesson 4­1
Classifying Triangles
triangle ­ a figure formed by three segments joining three noncollinear points
Classification of Triangles by Sides
Triangle
Definition
Picture
Equilateral
Isosceles
Scalene
Sep 28­7:19 PM
1
IntGeom 4­1 Completed.notebook
October 03, 2013
Sep 28­7:22 PM
Classification of Triangles by Angles
Triangle
Definition
Picture
Equiangular
Acute
Right
Obtuse
Sep 28­7:23 PM
2
IntGeom 4­1 Completed.notebook
October 03, 2013
Sep 28­7:24 PM
vertex ­ a point that joins two sides of a triangle
A side is opposite an angle and an angle is opposite a side.
Name the angle opposite the side of the triangle. 7. SR
8. RQ
R
9. SQ
S
Q
Sep 28­7:25 PM
3
IntGeom 4­1 Completed.notebook
October 03, 2013
Homework
Lesson 4­1
pg 175, 2­52 Evens, 54, 55
Sep 28­7:28 PM
4
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