Our math Dictionary words that begin with R has actually the math terms that start with the letter R.

Start below with Math definitions that we have actually gathered native a fifty percent dozen mathematics books, including a really old one.

You are watching: Math words that start with r

Math indigenous That begin With R: Supplement your math glossary with the math thesaurus that you deserve to print below.

## List Of Words That start With R

### Math indigenous That begin With Rad-

**Radian** - a one-of-a-kind unit of measure up that steps things that room circular.

**Radical** - a source of a number.

**Radical Axis** - the locus of points of same power through respect to 2 circles.

**Radical Center** - the radical facility of three circles is the common suggest of intersection the the radical axes of every pair of circles.

**Radicand** - the number within the radical sign.

**Radii** - plural of radius.

**Radius** - the length of a right line drown from the facility of a circle come a point on its circumference.

**Radius of a Circle** - a heat segment beginning at the center and going come the external edge that the circle. The radius is fifty percent of the diameter.

**Radix Point** - the generalization of decimal point to bases that numeration other than basic 10.

Get My totally free betterworld2016.org Newsletters!

## Free digital Worksheets For college At Home and also Interactive Notebooks

Free digital Teacher Resources - Free Homeschool Curriculum

See free teacher, homeschool, digital interaction school-at-home finding out exercises with no login, no sign-up, no voucher, no account, and no credit card. Loads of digital tasks for device-based learning. As watched at TeachersPayTeachers.

## More math Words That start With R

Rationalize the Denominator - a process that gets rid that the radical in the denominator.

**Ray** - a directly line that begins at a suggest and continues outward in one direction.

**Random Number Generators** - a maker used to create a selection of number in a fair manner, in no particular order and with no donate being provided to any numbers.

**Range** - the variety of a collection of numbers is the biggest value in the collection minus the smallest worth in the set. Keep in mind that the range is a solitary number, not numerous numbers.

**Range of the duty F** - the set of every the number f(x) because that x in the domain of f.

**Rate** - a details percent that the principal which suggests the attention on one dollar because that one year; the number denoting how countless hundredths that the base are to be taken.

**Ratio** - a rational variety of the form a/b where a is called the numerator and also b is referred to as the denominator, a comparison of numbers, the quotient or result of one quantity split by another (fraction).

**Rational Number** - a number that deserve to be composed as a fraction with integers as the numerator and denominator.

## Words That begin With Re-

**Real Axis** - the x-axis of an Argand diagram.

**Real Numbers** - covers both the rational and also irrational numbers.

**Real Part** - the genuine number x is called the real part of the facility number x+iy whereby x and y space real and i=sqrt(-1).

**Real Variable** - a variable who value arrays over the actual numbers.

**Reciprocal that a Number** - the number must multiply to obtain 1 as the answer.

**Rectangle** - a parallel with 4 right angles and also four sides.

**Rectangular coordinate System** - a aircraft made up of an x axis (the horizontal line) and also a y axis (the upright line).

**Rectangular Solid** - a volume bounded through rectangle faces.

**Recursion** - given some beginning information and a preeminence for exactly how to use it come get new information, the ascendancy is then recurring using the new information.

**Reduce** - come rewrite a portion in shortest terms.

**Reflect** - come repeat picture by flipping it throughout a heat so it appears as it would certainly in a mirror.

**Reflex Angle** - an angle between 180º and 360º.

**Regrouping** - come rearrange amounts in place values that numbers during calculations.

**Regular Polygon** - a polygon whose next lengths room all the same and whose internal angle measures are all the same.

**Relation** - bespeak pair in the form: (x, y)

**Relative Frequency** - the number of items that a certain form divided through the number of all the numbers being considered.

**Relatively Prime** - two numbers that have no common factors various other than the number 1.

**Remainder** - quantity left the is left after division.

**Remainder** - the dividend remaining as soon as the quotient is not equally divisible by the divisor, likewise the name of the answer in a subtraction.

**Repdigit** - one integer every one of whose digits room the same, 11, 222, 333.

**Repeating Decimal** - a decimal who digits ultimately repeat; .3333.

**Repunit** - an creature consisting just of 1’s.

**Residual** - the observed value minus the predicted value. The is the distinction of the results derived by observation, and also by computation from a formula.

## More R Words because that Math

**Rhomboid** - a parallelogram having actually its angles oblique, and also its nearby sides unequal.

**Rhombus** - a square whose sides are all the same length (congruent) and also whose opposite internal angles are the exact same size (congruent.)

**Right Angle** - an edge of 90°, one side of the angle is perpendicular come the other side.

**Right Triangle** - a triangle containing an edge of 90 degrees.

**Roman Numerals** - a mechanism of numeration supplied by the ancient Romans, 7 letters of the roman Alphabet: I, 1; V, 5; X, 10; L, 50; C, 100; D, 500; M, 1000.

**Root** - one of the equal determinants that will produce it.

**Root that a Polynomial** - solutions as soon as the polynomial is set equal come zero.

**Root of Unity** - a equipment of the equation xn=1, whereby n is a optimistic integer.

**Rotate** - to rotate an item in a tessellation means to repeat the object by spinning it on a point a particular angle.

**Round-off Error** - the error accumulated during a calculation because of rounding intermediate results.

**Rounding** - the process of approximating a number come a surrounding number.

**Ruled Surface** - a surface developed by moving a right line (called the generator).

**Rusty Compass** - a pair the compasses that are fixed open up in a given position.

I hope that you"ve delighted in this perform of indigenous that start with R. If you"d like a complete math glossary, print our free Math thesaurus to put in her binder or store at her desk.

See more: Engl I Look Forward To Working With You., How Do You Respond To Looking Forward To It

~Mary

Printable mathematics Dictionary

You deserve to print and keep these Math interpretations as a nottard in her binder or a record folder. You can also download it to your tablet or bookmark this page. View the alphabetical links below for an ext online mathematics words.

A B C D E F

G H I J K L M

N O P Q R S T

U V W X Y Z