geometry chapter 5 vocab

3. a combination of two conditional statements,
6. a point where two line segments meet at a sharp angle
7. a type of angle that is always larger than 90° but less than 180°
8. The middle number
9. Numerical measure of a line's inclination relative to the horizontal
10. any geometric figure is congruent to itself
11. the angles that lie opposite to each other when two lines intersect
12. the centre point of the object
13. the location
15. formed when a transversal passes through two lines
18. a pair of lines that are not parallel to one another and do not intersect with one another
19. the sum of the three interior angles of any triangle is always 180 degrees.

1. a proposition or theorem formed by contradicting both the subject and predicate or both the hypothesis and conclusion of a given proposition or theorem and interchanging them
2. where two geometric objects meet, or the point or points where they cross each other graphically
4. two adjacent angles that sum to 180 ∘
5. The process of finding the opposite of the given statement
12. The converse of a conditional statement is created when the hypothesis and conclusion are reversed
14. the points that lie on the same straight line or in a single line.
16. a line that intersects two or more other (often parallel ) lines
17. a triangle that has two equal sides