chapter 4 & 5

4. a triangle with 3 sides and 3 angles congruent
8. a triangle with 3 sides of equal length
9. a triangle with 2 sides of equal length
11. a point where 3 or more lines intersect
12. an angle between 2 sides of a triangle, any angle of the triangle
13. the center of the incircle of a triangle or other figure
14. sides that are equal in both triangles
15. a triangle that has 3 unequal sides
17. the height of an object in relation to sea level or ground level
20. point at where the perpendicular bisectors of sides of a triangle intersect
22. one of the triangle's points of concurrency formed by the intersection of the triangle's 3 altitude
23. moving a shape without rotating or flipping it

1. angles of a triangle that are common in one side with the base
2. a line segment perpendicular to and passing throught the midpoint of left figure
3. points where 2 lines or line segmente intersect
5. an third angle having less than 90 degrees
6. an angle that measures 90 degrees
7. a line that's causing a mirror image
10. a set of lines that are said to be concurrent if they all intersect at the same point
16. the angle between a side of a rectilinear figure and an adjacent side extended outward
18. the median value of a range of values
19. the center of mass of a geometric object of uniform density
21. a plane figure turns around a fixed center point
22. an angle that has a measurement over 90 degrees but less than 180 degrees