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1.7: Chapter 1 Review

Difficulty Level: At Grade Created by: CK-12
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AB, AB, AB¯¯¯¯¯¯¯¯ Line, ray, line segment

ABC Angle with vertex B

mAB¯¯¯¯¯¯¯¯ or AB Distance between A and B

mABC Measure of ABC


= Equal



  • Geometry
  • Point
  • Line
  • Plane
  • Space
  • Collinear
  • Coplanar
  • Endpoint:
  • Line Segment
  • Ray
  • Intersection
  • Postulates
  • Theorem
  • Distance
  • Measure
  • Ruler Postulate
  • Segment Addition Postulate
  • Angle
  • Vertex
  • Sides
  • Protractor Postulate
  • Straight Angle
  • Right Angle
  • Acute Angles
  • Obtuse Angles
  • Perpendicular
  • Construction
  • Compass
  • Angle Addition Postulate
  • Congruent
  • Midpoint
  • Midpoint Postulate
  • Segment Bisector
  • Perpendicular Bisector
  • Perpendicular Bisector Postulate
  • 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


Match the definition or description with the correct word.
Definition Answer
1. When three points lie on the same line. A. Measure
2. All vertical angles are ________. B. Congruent
3. Linear pairs add up to _______. C. Angle Bisectors
4. The m in from of mABC. D. Ray
5. What you use to measure an angle. E. Collinear
6. When two sides of a triangle are congruent. F. Perpendicular.
7. G. Line
8. A line that passes through the midpoint of another line. H. Protractor
9. An angle that is greater than 90. I. Segment Addition Postulate.
10. The intersection of two planes is a ___________. J. Obtuse
11. AB+BC=AC K. Point
12. An exact location in space. L. 180
13. A sunbeam, for example M. Isosceles
14. Every angle has exactly one. N. Pentagon
15. A closed figure with 5 sides. O. 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.

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