MATH

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

HNO ES

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