• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/33

Click to flip

33 Cards in this Set

  • Front
  • Back
acute angle
An angle whose measure is less than 90° and more than 0°
angle
Two rays that have a common endpoint make an angle.
angle bisector
A ray that starts at the vertex of an angle that divides the angle in to two angles of equal measure
collinear points
Points that lie on the same line.
complementary angles
Two angles whose measures have the sumof 90°
concave polygon
A polygon with one side that angles in
congruent polygons
Two polygons are congruent when the have the same size and same shape
consecutive vertices
Consecutive: going in order, next to each other
convex polygon
All the vertices are pointing out
coplanar points
Points that lie on the same plane.
diagonals
A line segment that connects any two non-consecutive vertices
equiangular polygons
A polygon whose angles are all the same measure
equilateral polygons
A ploygon whose sides are all the same length
line
A straight arrangement of points that goes forever in both directions
line segment
Part of a line with two endpoints.
linear pair of angles
A pair of angles on the same line.
midpoint
A point that is equally distant from the two endpoints
obtuse angle
An angle whose measure is more than 90° and less than 360°
parallel lines
Two or more lines that lie in the same plane and do not intersect
perimeter
Sum of all the sides, like a fence
perpendicular lines
Two lines that intersect to form a right angle
plane
A flat surface that goes forever in all directions.
point
The basic unit of geometry. It has no size, just location.
polygon
A closed geometric figure
ray
A part of a line that has a beginning but no end
regular polygon
A polygon whose angles and sides are all the same measure
right angle
An angle whose measure is 90°
side
Line segment connecting 2 vertices
skew lines
Lines that are not in the same plane and that do not intersect
space
Set of all points.
supplementary angles
Two angles whose measures have the sum of 180°
vertex
Angle of polygon
vertical angles
A pair of angles directly across from each other