POLYGONS
A closed shape
Only straight line segments (not round)
Can be regular (all sides same length)
Or Irregular (sides are different lengths)
EQUILATERAL TRIANGLE
A type of triangle
With equal length sides
And same size angles
ADJACENT
ANGLES
Angles that share a ray
What is this shape?
How many Vertices/Edges/Faces?
A Cube
Vertices: 8
Edges: 12
Faces: 6
MEAN
MEAN: The Average -
When you add all the numbers and divide by the numbers in the set
PARALLELOGRAMS
A quadrilateral with
Two sets of parallel sides
Each set is equal in length
Includes rectangles, squares, rhombus
ISOSCELES TRIANGLE
A type of triangle
With two sides the same
And two angles the same
COMPLEMENTARY ANGLES
Adjacent Angles that make a 90 degree angle
What is this shape?
How many Vertices/Edges/Faces?
A Triangular Prism
Vertices: 6
Edges: 9
Faces: 5
MEDIAN
MEDIAN : The Middle Number (after you order the numbers smallest to largest)
PERPENDICULAR LINES
Lines that cross, making four right angles
SCALENE TRIANGLE
A type of triangle
Sides are all different lengths
And all different angles
SUPPLEMENTARY ANGLES
Adjacent angles that make a 180 degree angle
What is this shape with a square base? How many Vertices/Edges/Faces?
A Square Pyramid
Vertices: 5
Edges: 8
Faces: 5
MODE
MODE: The Most Popular number (there can be more than one MODE)
PARALLEL LINES
Two lines that will never intersect
RIGHT TRIANGLE
A type of triangle
With one Right Angle
VERTICAL
ANGLES
Angles that are made when two lines intersect.
They are always Congruent / same
What is this shape with a triangle base?
How many Vertices/Edges/Faces?
A Triangular Pyramid
Or A Tetrahedron
Vertices:4
Edges: 6
Faces: 4
RANGE
RANGE: The largest number minus the smallest number
KITE
A Quadrilateral
Two pairs of congruent sides that are
Adjacent to each other.
Not a parallelogram
Two diagonals are perpendicular
The diagonals are not the same length
OBTUSE TRIANGLE
A type of triangle
With one Obtuse angle
CONGRUENT ANGLES
Congruent means “same”
What shape is this?
How many Vertices/Edges/Faces?
A Rectangular Prism
Or A Cuboid
Vertices: 8
Edges: 12
Faces: 6
PEMDAS
The Order of Operations. First…
P = Parentheses
E = Exponents
M or D = Multiply or Divide (whichever comes first left to right)
A and S = Add or Subtract (whichever comes first left to right)