Page 115 - Birmingham City Schools 2020-2021

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