1
side by side
adjacent
an angle smaller that 90 degrees
acute
tri means
3
quadrilateral with 4 equal sides and 4 right angles
square
closed figure with 5 straight sides
pentagon
L x W or count those crazy boxes
area
=
equality
an angle larger that 90 but less than 180
obtuse
triangle with all equal sides
equilateral
quadrilateral with opposite side that are equal and 4 right angles
rectangle or square
closed figure with 6 straight sides
hexagon
L x W x H or draw an uppercase L with an arm
volume
not equal
inequality
angle that measures 180
straight angle
triangle with 2 equal sides
isosceles
quadrilateral with only one set of parallel lines
trapezoid
closed figure with 7 straight sides
heptagon
baby - the only one who adds (all the way around)
perimeter
cut - the same
symmerty
angle greater than 180 but less than 360
reflex
triangle with no equal sides
scalene
fat lady sat on a square
rhombus
closed figure with 8 straight sides
octagon
outside to outside a circle and through the middle
diameter
exactly the same
congruent
this means out of 100
%
all triangles must equal
180 degrees
fat lady sat on a rectangle
parallelogram
closed figure with 9 straight sides
nonagon
how do you name a circle
center dot (point)