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100
A closed shape Only straight line segments (not round) Can be regular (all sides same length) Or Irregular (sides are different lengths)
POLYGONS
100
A type of triangle
With equal length sides
And same size angles
Equilateral
triangles
100
straight line, never ends in either direction
Line
100
Angles that are made when two lines intersect.
They are always Congruent / same
Vertical Angles
100
A Cube
200
A quadrilateral with Two sets of parallel sides Each set is equal in length Includes rectangles, squares, rhombus
Parallelograms
200
A type of triangle
With two sides the same
And two angles the same
Isosceles
triangles
200
has one endpoint
Ray
200
means “same”
Congruent
Angles
200
What shape is this?
A Rectangular Prism
Or A Cuboid
300
Lines that cross, making four right angles
Perpendicular Lines
300
A type of triangle
Sides are all different lengths
And all different angles
Scalene
triangles
300
Angles that share a ray
Adjacent Angles
300
For 3D shapes
Points/Corners where three edges meet
Vertices (3D)
300
The measurement of the distance around the 2D shape
PERIMETER
400
Two lines that will never intersect
Parallel Lines
400
A type of triangle
With one Obtuse angle
Obtuse triangles
400
Adjacent Angles that make a 90 degree angle
Complementary Angles
400
For 3D shapes
A line segment where two faces meet
Edges (3D)
400
The measurement of the space inside
a 2D shape.
AREA
500
A Quadrilateral
A Parallelogram
Four equal length sides
Opposite angles same
Includes squares
Rhombus
500
A type of triangle
With all acute angles
(e.g. equilateral triangles are always acute angles)
Acute triangles
500
Adjacent angles that make a 180 degree angle
Supplementary Angles
500
For 3D shapes
The flat surface of a 3D shape
Faces (3D)
500
The measurement of what can fit inside a 3D shape.
VOLUME