Geometry flash cards

Created by:

MishelleH  on October 8, 2012

Classes:

Kamen Geometry Period 5

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Geometry flash cards

 PointA point specifies only location; it has no length, width, or depth. the dot has dimension 0.⊗
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Point A point specifies only location; it has no length, width, or depth. the dot has dimension 0.⊗
Straight Angle A angle that measures 180°
Line a spatial location defined by a real or imaginary unidimensional extent
Congruent Angles Angles that have equal measures
plane (mathematics) an unbounded two-dimensional shape
Angle Bisector a ray that divides an angle into two congruent angles
collinear points that lie on the same line
Non Collinear 3 or more points that are not on the same line
coplanar points that lie on the same plane
Non Coplanar points that DO NOT lie on the same plane
complementary lines two lines that intersect at right angles
Supplementary Angles two angles whose measures have a sum of 180 degrees
Adjacent Angles Angles that have a common side and a common vertex (corner point).
Angle Angle The space between two lines or planes that intersect
Acute Angle an angle that measures less than 90 degrees
Right Angle An angle that measures 90 degrees.
obtuse slow to learn or understand
polygon a closed plane figure bounded by straight sides
vertical ANGLES two angles whose sides form two pairs of opposite rays
Linear Pair two adjacent angles whose noncommon sides are opposite rays
Distance formula the property created by the space between two objects or points, d = √[( x₂ - x₁) + (y₂ - y₁)]
congruence Figures or shapes that have the same size, shape and measure
Congruent segments Segments that have the same length
Mid Point & formula point that divides a segment into two congruent segments, [(x₁+ x₂)/2 , (y₁+ y₂)/2]
segment bisector a segment, ray, line, or plane that intersects a segment at its midpoint
angle the space between two lines or planes that intersect
angle bisector a ray that divides an angle into two congruent angles
construction using a straightedge and a compass to draw a geometric figure
adjacent angles The word "adjacent" means "next" or "neighboring". Adjacent angles are angles just next to each other. Adjacent angles share a common vertex and a common side, but do not overlap.
N gon A polygon with n sides
equilateral having all sides or faces equal
equiangular having all angles equal
Regular" (shaped) polygon A polygon that has all angles equal and all sides equal.
intersection a point or set of points common to two or more geometric configurations
convex polygon a polygon such that no side extended cuts any other side or vertex

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