Polygons
square
rectangle
rhombus
parallelogram
pentagon
octagon
hexagon
quadrilateral
scalene triangle
equilateral triangle
isosceles triangle
right triangle
Angles
right angle
equals 90°
straight angle
equals 180°
acute angle
less than 90° but
more than 0°
obtuse angle
greater than 90° but
less than 180°
complimentary angles
two angles add up to 90°
supplementary angles
two angles add up to 180°
vertical angles
the angles opposite each
other
congruent angles
two angles have the same
measure
≅
means
“is congruent to”
Angles and Polygons
Solids
cube
cone
rectangular
prism
pyramid
cylinder
sphere
MATH
135
