Basic math glossary-R

Basic math glossary-R define words beginning with the letter R

Radius: The distance from the center of a circle to the edge of a circle.

Rate: Rate means percent.

Rate of commission: A percent used to calculate the commission.

Rate of interest: A percent charged when borrowing money.

Ratio: The comparison of two numbers using division

Ray: A line with a beginning point but no endpoint.

Real distance: As opposed to distance on a map, it is the actual distance between two locations.

Rectangle: A parallelogram with four right angles.

Rectangular prism: A prism that has rectangular faces

Reflex angle: An angle whose measure is bigger than 180 degrees, but less than 360 degrees.

Remainder: The amount left over when a number does not divide another number evenly.

Rectangle: A parallelogram with four right angles.

Repeating decimal: A decimal where the same series of digits repeat

Rhombus: A parallelogram with four equal sides and opposite angles that are equal.

Right angle: An angle whose measure is 90 degrees.

Right triangle: A triangle with one right angle.

Rhombus: A parallelogram with four equal sides and opposite angles that are equal.


Buy a comprehensive geometric formulas ebook. All geometric formulas are explained with well selected word problems.





New math lessons

Your email is safe with us. We will only use it to inform you about new math lessons.

Follow me on Pinterest


Page copy protected against web site content infringement by Copyscape

Recent Articles

  1. Number Game

    Dec 01, 16 06:27 AM

    1. Think of any positive whole number. No fractions, no decimals,no percents. 2. Double that number. 3. Add 10 to that result in step 2. 4. Divide

    Read More