R
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Radius
Radious
Radius (sphere)
Random sample
Range
Range (Of Data Set)
Range (equation)
Range (function)
Range (relation)
Range (statistics)
Rational expression
Rational function
Rational Number
Ray
Real Number
Real number plane
Reciprocal
Reciprocal (fraction)
Reciprocal (real number)
Rectangle
Rectangle (area)
Rectangle (perimeter)
Rectangular number
Rectangular prism
Rectangular region
Reflection (Flip)
Reflexive angle
Region
Regular Polygon
Regular polyhedron
Relation
Relation and function
Relative error
Remainder
Remainder (subtraction)
Remainder (fraction )
Remainder theorem
Renaming (whole number)
Renaming (fraction)
Repeating Decimal
Repeating Pattern
Rhombus
Right Angle
Right Triangle
Right angle
Right prism
Right triangle
Ring
Root
Root Extraction
Rotation (Turn)
Rounding (measurement)
Rounding (decimals)
