Download Vocabulary Test Chapters 1-3

Geometry A Vocabulary Final Exam Review
Give the correct word that is being defined.
1. Two coplanar angles with a common side, a common vertex, and no common
interior points.
2. A combination of a conditional statement and its converse.
3. Figures in the same plane.
4. Two segments that are the same length.
5. A line that intersects two coplanar lines in two distinct points.
6. An accepted statement of fact.
7. A triangle that has one right angle.
8. Two coplanar lines that never intersect.
9. A polygon with 5 sides.
10. A triangle with all sides congruent.
11. The side opposite the right angle in a right triangle.
12-22 Fill in the blanks. (The length of the dashes does not correspond to the length
of the word.)
12. The statement " A  A " is an example of the _______________ property of
congruence.
13. Two angles whose sides are opposite rays are _________________________.
14. When two coplanar lines are cut by a transversal, the angles between the two
lines and on opposite sides of the transversal are called _________________.
15. A polygon is ______________ if no diagonal contains points outside the polygon.
16. The linear equation y  3  4( x  5) is written in ______________ form.
17. A(n) ____________ is an angle whose measure is between 90 and 180 .
18. A conclusion based upon inductive reasoning is sometimes called a(n) ______.
19. In a conditional statement, the part that follows “IF” is the _________________.
20. If the sum of the measures of two angles is 180, then the angles are ________.
21. The ________ of a conditional switches the hypothesis and the conclusion.
22. The side of an isosceles triangle that is not a leg is called the _____________.
23-33 True or False. If the answer is not marked clearly it will be marked wrong.
23. Statement " If A  B, then B  A " is an example of the symmetric property
of congruence.
24. A polygon with all congruent angles is also known as equiangular.
25. Isosceles triangles are also equilateral.
26. The sum of the interior angles of a triangle is 360.
27. A biconditional statement is a combination of a conditional and it’s inverse.
28. All right angles are congruent.
29. All complementary angles are congruent.
30. Points that lie on the same line are coplanar.
31. A midpoint of a segment is the point that divides the segment into two congruent
segments.
32. The Law of Syllogism states that
" If p  q and q  r aretrue, then p  r is a true statement."
33. Base angles of an isosceles triangle are congruent.
34-44 Matching. Write the correct letter that matches the given definition or
completes the sentence correctly.
34. An angle measuring 90 is_________.
A. Complementary
35. Lines that are non-coplanar, do not intersect, and
are not parallel are _________ lines.
36. An if-then statement is a_________.
B. Scalene
37. If the sum of the measures of two angles is 90, then
the angles are ____________.
38. A closed plane figure with at least 3 sides is called a(n)
___________.
39. A polygon that is equilateral and equiangular.
D. Perpendicular
40. Parallel lines have slopes that are ____________.
G. Equal
41. All ___________ lines are parallel.
H. Equilateral
42. A triangle without congruent sides.
I. Polygon
43. A(n)_______ is a ray that divides an angle into two
congruent angles.
J. Conclusion
C. Corollary
E. Skew
F. Angle Bisector
K. Vertical
44. A_______ to a theorem is a statement that follows
immediately from the theorem.
L Right
M. Conditional
N. Regular Polygon
45-55 Replace the underlined word(s) so that the statement would be true.
45. An __________has a measure greater than 90 degrees.
46. A __________ is an accepted statement of fact.
47. A polygon with four sides is a hexagon.
48. Perpendicular lines have same slope.
49. Skew lines are coplanar lines that do not intersect.
50. When two parallel lines are cut by a transversal then corresponding angles are
supplementary.
51. A straight angle measures 90 degrees.
52.
 x1 x 2 
2

 y1 y 2 
2
is a formula for midpoint.
53. The area of a circle is the distance around the circle.
54. Similar polygons have congruent corresponding parts.
55. If you know that two triangles are congruent, then the corresponding sides and
angles of the triangles are congruent because of SAS.
Geometry A Vocabulary Final Answer Key
1-11 Identify
23-33 True or False
45-55 Replaced Word
1.Adjacent
23. T
45. Obtuse angle
2.Biconditional
24. T
46.Postulate or Axiom
3.Coplanar
25. F
47. Six
4.Congruent
26. F
48. Opposite Reciprocal
5.Transversal
27. F
49. Parallel
6.Postulate
28. T
50. Same-Side Interior
7.Right Triangle
29. F
51. 180
8.Parallel Lines
30. F
52. Distance
9.Pentagon
31. T
53. Circumference
10.Equilateral
32. T
54. Congruent
11.Hypotenuse
33. T
55. CPCTC
12-22 Fill in the blanks
34-44 Matching
12. Reflexive
34. L
13. Vertical Angles
35. E
14. Alternate Int. Angles
36. M
15. Convex
37. A
16. Point-Slope
38. I
17. Obtuse Angle
39. N
18. Conjecture
40. G
19. Hypothesis
41. K
20. Supplementary
42. B
21. Converse
43. F
22. Base
44. C