1.12. Polygon Classification http://www.ck12.org
- Angle Bisector
- Angle Bisector Postulate
- Complementary
- Supplementary
- Adjacent Angles
- Linear Pair
- Linear Pair Postulate
- Vertical Angles
- Vertical Angles Theorem
- Triangle
- Right Triangle
- Obtuse Triangle
- Acute Triangle
- Equiangular Triangle
- Scalene Triangle
- Isosceles Triangle
- Equilateral Triangle
- Polygon
- Diagonals
Chapter Review
Match the definition or description with the correct word.
TABLE1.2:
Definition/Description Answer- When three points lie on the same line. A. Measure
- All vertical angles are ____. B. Congruent
- Linear pairs add up to ___. C. Angle Bisectors
- Themin from ofm^6 ABC. D. Ray
- What you use to measure an angle. E. Collinear
- When two sides of a triangle are congruent. F. Perpendicular.
7.⊥ G. Line - A line that passes through the midpoint of another
line.
H. Protractor- An angle that is greater than 90◦. I. Segment Addition Postulate.
- The intersection of two planes is a ___. J. Obtuse
11.AB+BC=AC K. Point - An exact location in space. L. 180◦
- A sunbeam, for example M. Isosceles
- Every angle has exactly one. N. Pentagon
- A closed figure with 5 sides. O. Hexagon
P. Bisector
Texas Instruments Resources
In the CK-12 Texas Instruments Geometry FlexBook® resource, there are graphing calculator activities designed
to supplement the objectives for some of the lessons in this chapter. See http://www.ck12.org/flexr/chapter/9686.