Shared Flashcard Set

Details

Geometric Vocabulary
Angles, Polygons
24
Mathematics
5th Grade
01/21/2011

Additional Mathematics Flashcards

 


 

Cards

Term
Angle
Definition
formed by two rays
Term
Vertex
Definition
the common end point of two rays
Term
Acute Angle
Definition
has a measure of between 0° and 90°
Term
Degrees (°)
Definition
the way we measure angles
Term
Right Angle
Definition
has a measure of 90°
Term
Obtuse Angle
Definition
has a measure of between 90° and 180°
Term
Straight Angle
Definition
has a measure of 180°
Term
Radius
Definition
any line segment that connects the center to a point on the circle
Term
Diameter
Definition
any line segment through the center that connects two points on the circle
Term
Chord
Definition
any line segment that connects two points on the circle
Term
Central Angle
Definition
an angle whose vertex is the center
Term
Polygon
Definition
a closed plane figure made up of line segments
Term
Regular Polygon
Definition
has sides of equal length and angles of equal measure
Term
Quadrilateral
Definition
a polygon with 4 sides
Term
Pentagon
Definition
a polygon with 5 sides
Term
Hexagon
Definition
a polygon with 6 sides
Term
Octagon
Definition
a polygon with 8 sides
Term
Scalene Triangle
Definition
no sides are the same length
Term
Isosceles Triangle
Definition
at least two sides are the same length
Term
Equilateral Triangle
Definition
all sides are the same length
Term
Trapezoid
Definition
a quadrilateral with only one pair of parallel sides
Term
Congruent Figures
Definition
have the same size and shape
Term
Similar Figures
Definition
have the same shape but may or may not have the same size
Term
Reflection
Definition
a flip, gives a mirror image
Supporting users have an ad free experience!