Basic math glossary-O

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

Oblique angle: An angle that is not a right angle, which means the angle can be acute or obtuse.

Obtuse angle: An angle whose measure is bigger than 90 degrees.

Obtuse triangle: A triangle with one obtuse angle.

Octagon : A polygon with 8 sides and 8 angles.

Negative number: A number that is less than 0.

Odd number: A number that cannot be divided evenly by 2.

Open statement: Also known as open sentence, it is an equation that is neither true or false. For example, n + 6 = 9 is an open statement because we do not know n. Therefore, we have no clue if it is true or false

Order: Sequence from smallest to largest.

Ordered pair: The x and y values that give the location of point in a coordinate system.

Origin: The point where the x-axis and the y-axis intersect with coordinates (0,0).

Ounce:. A unit of weight equal to 1/16 of a pound


Buy a comprehensive geometric formulas ebook. All geometric formulas are explained with well selected word problems so you can master geometry.

Geometry ebook

Recent Articles

  1. Quadratic Formula: Easy To Follow Steps

    Jan 26, 23 11:44 AM

    Quadratic formula
    Learn about the quadratic formula, the discriminant, important definitions related to the formula, and applications.

    Read More

  2. Area Formula - List of Important Formulas

    Jan 25, 23 05:54 AM

    Frequently used area formulas
    What is the area formula for a two-dimensional figure? Here is a list of the ones that you must know!

    Read More

Tough algebra word problems

100 Tough Algebra Word Problems.

If you can solve these problems with no help, you must be a genius!

Math quizzes

 Recommended

Math vocabulary quizzes