# Geometry

The flashcards below were created by user Rayna on FreezingBlue Flashcards.

1. the study that deals with the properties, measurements, and construction of flat figures
geometry
2. geometric figure
shape
3. limited portion of a line
line segment
4. segments whose end points can be made to coincide
equal segments
5. divides a line into 2 equal parts
midpoint
6. two points that separate a line into 3 equal parts
trisection point
7. figure formed by two strait lines drawn by the same point
angle
8. angles whose sides can been made to coincide
equal angle
9. a line drawn from vertex that divides an angle in two equal parts
angle bisector
10. an angle formed by one complete revolution of a line (360)
paragon
11. an angle whose sides form a strait line threw the vertex
strait angle
12. angles with the same vertex and a common side between them
13. angles formed when two strait lines meet to form equal adjacent angles
right angle
14. lines that meet to form right angles
perpendicular lines
15. an angle less than a right angle
acute angle
16. greater than a right angle and less than a strait angle
obtuse angle
17. an angle greater than a strait angle, but less than a paragon
reflex angle
18. angles whose sides are neither parallel nor perpendicular
oblique angles
19. instrument used to measure
protractor
20. a figure bounded by 3 st. lines
triangle
21. line from a vertex to a midpoint to the opposite side
median
22. a line from a vertex perpendicular to the opposite side
altitude
23. a triangle having no 2 sides
scalene
24. a triangle having at least 2 sides equal
isosceles
25. a figure bounded by strait lines
polygon
26. ε of the angles of a polygon =
(n-2)180
27. a diagonal from a vertex in a polygon creates how many triangle
2 less triangles than the # of sides
28. a diagonal from the interior side of a polygon creates how many triangles
one less triangle than the # of sides
29. polygon both equilateral and equiangular
regular polygon
30. formula for central angle
theta = 360÷n
 Author: Rayna ID: 322413 Card Set: Geometry Updated: 2016-08-26 23:53:04 Tags: math Folders: math Description: A Beka Show Answers: