Math Definitions that start with R - Math Glossary from MathGoodies

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"R" Definitions

radii
radius
random sample
range
rate
ratio
rational number
ray
real numbers
reasonable estimate
reciprocal
rectangle
rectangular prism
reduce to lowest terms
reflection
regular hexagon
regular pentagon
regular polygon
relation
remainder
repeating decimal
rhombus
right angle
right triangle
roster notation
rotation (turn)
rotational symmetry
round
round decimal quotients
rounding

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