shapes and lines
parallel lines
two line that will never intersect
mean
When you add all the numbers and divide by the numbers in the set
perimeter
The measurement of the distance around the 2D shape
numerator
The number above the fraction bar
supplementary angles
Adjacent angles that make a 180 degree angle
kite
a quadrilateral
two pairs congruent lines sides that are adjacent
not a parallelogram
two diagonals are perpendicular
median
the Middle Number (after you order the numbers smallest to largest)
area
The measurement of the space inside a 2D shape.
denominator
The number below the fraction bar
vertical angles
Angles that are made when two lines intersect, They are always Congruent / same
trapezoid
A quadrilateral only one set of parallel sides
mode
The Most Popular number (there can be more than one MODE)
area of a triangle
Area = Length x Height 2
The answer is always squared
mixed number
A whole number with a fraction
congruent angles
Congruent means “same”
polygons
a closed shape
range
The largest number minus the smallest number
volume
The measurement of what can fit inside a 3D shape.
Volume = Length x Width x Height
The answer is always cubed
improper fraction
A fraction with
Larger number over Smaller number
Always more than 1
adjacent angles
Angles that share a ray
scalene triangle
A type of triangle. Sides are all different lengths. And all different angles
interquartile range
The range of numbers between the upper and lower quartiles
surface area
The SUM of all AREAS of a 3D shape
proper fraction
A fraction with
Smaller number over Larger number
Always less than 1
complementary angles
Adjacent Angles that make a 90 degree angle