Section 1
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Last updated
6 years ago
Date created
Mar 1, 2020
Cards (53)
Section 1
(50 cards)
ray
A part of a line, with one endpoint, that continues without end in one direction
equilateral polygon
a polygon in which all sides are congruent
angle bisector
a ray that divides an angle into two congruent angles
regular polygon
a polygon with all sides and all angles equal
space
set of all points
complementary angles
Two angles whose sum is 90 degrees
regular polyhedron
a polyhedron in which all of the faces are regular congruent polygons
edges
line segments where the faces intersect
circumference
the distance around a circle
absolute error
equal to one half the unit of measure
interior
inside
face
a flat surface of a polyhedron
degree
a unit of measurement
perpendicular
lines that form right angles
polyhedron
a solid with all flat surfaces that enclose a single region of space
linear pair
A pair of adjacent angles whose noncommon sides are opposite rays.
vertex
The common endpoint of an angle
accuracy
refers to how close a measured value is to an accepted value
betweenness of points
a point is between two other points on the same line
perimeter of a polygon
the sum of the lengths of the sides of the polygon
collinear
points that lie on the same line
sides
rays of an angle
equiangular polygon
a polygon in which all angles are congruent
Point
Location
midpoint
A point that divides a segment into two congruent segments. the exact middle point
convex
curving outward
vertical angles
two nonadjacent angles formed by two intersecting lines
locus
set of points that satisfy a particular condition
irrational number
a number that cannot be expressed as a terminating or repeating decimal
adjacent angles
Two angles that share a common side and have the same vertex, but no common interior points
exterior
outside
contructions
methods of creating figures without using measuring tools
intersection
the set of points that two or more geometric figures have in common
right angle
an angle that measures 90 degrees
angle
formed by two rays with the same endpoint
precision
the exactness of a measurement
acute angle
an angle that measures less than 90 degrees
obtuse angle
An angle that measures more than 90 degrees but less than 180 degrees
coplanar
points that lie on the same place
concave
curving inward
congruent segments
segments that have the same length
significant digits
the valid digits in a measurement
supplementary angles
Two angles whose sum is 180 degrees
segment bisector
a segment, ray, line, or plane that intersects a segment at its midpoint
line segment
part of a line with two endpoints
vertex of the polygon
vertex of each angle
distance
The length of a path between two points
polygon
A closed plane figure made up of line segments
n-gon
a polygon with n sides
line
made up of points and has no thickness or width
Section 2
(3 cards)