shapes
pi
3.14
congruent
same
range
biggest minus the smallest
random sample
each sample is unbiased
proportional relationship
from the origin in a straight line
volume
the amount is space in a 3d figure
straight angle
180 degree angle
mean
all of them added up then dived by how many there are,
population
a group of people, animals, etc
not proportional relationship
does not go through the origin not straight line
surface area
the amount of area on the face of a 3d figure
right angle
90 degree angle
median
middle number
proportion
two ratios that are equal
constant of proportionality
constant value of the ratio between two proportional quantities, k
area
the amount of space in a 2d shape.
vertex
point where rays meet
mode
most common occuring
probability
chances of something happening
complex fraction
a fraction with a fraction in the denominator and/or numerator
triangle
a 2d shape with 3 sides
angle
two rays that share end point
Q3
median of top half numbers
ratio
comparison of 2 quantities
rate
ratio comparing quantities of different units