1. Chapter 4: Triangles Classifying Triangles by sides:
Scalene Isosceles Equilateral
no congruent at least congruent
sides congruent sides
sides

2. Classifying Triangles by Angles
Acute Triangle
Three acute angles
Right Triangle
One right angle
Obtuse Triangle
One obtuse angle
Equiangular Triangle
Three congruent angles

5. Interior angles of a polygon:
Angles formed by two sides of the polygon.
The angle measure is inside the polygon.
Interior angles of a polygon:
The angles formed by extending the sides
of a polygon.
The angle measure is on the outside of the
polygon between the extension of the side
and another side.
Exterior angles of a polygon:

8. Geometry
Page 221 (1-7, 8-34 even, even, 55, 58)‏

9. Page 221(1-7, 8-26 even, 40, 43-46, 54, 58, 62)‏ Worksheet
Sophomore Math
Page 221(1-7, 8-26 even, 40, 43-46, 54, 58, 62)‏
Worksheet