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## Decagon – D – Breathmath’s Math Glossary

Decagon: A ten sided polygon is called Decagon.

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## Decimal – D – Breathmath’s Math Glossary

Decimal Definition: A fractional number less than one whole written with a decimal point or numbers written after the decimal point.

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## Denominator – D – Breathmath’s Math Glossary

Denominator: The denominator is the bottom number of a fraction. The denominator represents the total number of parts i.e.,

## Diagonal – D – Breathamth’s Math Glossary

Diagonal: A line segment joining  two non-adjacent vertices of a polygon. Ex: A square has two diagonals.   Here in square ABCD, AC and BD are its diagonals.   Similarly, a hexagon has 3 diagonals.

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## Diagonal Matrix – D – Breathmath’s Math Glossary

Diagonal Matrix: A matrix having non-zero elements only in the diagonal running from the upper left to the lower right.

## Distributive Property – D – Breathmath’s Math Glossary

Distributive Property The Distributive Property is an algebra property which is used to multiply a single term and two or more terms inside a set of parentheses.

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## Diameter – D – Breathmath’s Math Glossary

Diameter: A straight line passing from side to side through the centre of a body or figure, especially a circle or sphere. Diameter of the Circle: Any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. Diameter is the longest chord of the circle. Diameter is the twice of… Continue reading Diameter – D – Breathmath’s Math Glossary

## Degree of a Polynomial

The degree of a polynomial is the highest degree of its terms when the polynomial is expressed in its canonical form consisting of a linear combination of monomials. The degree of a term is the sum of the exponents of the variables that appear in it. (i)The degree of the polynomial 5x3 + 4x2 + 7x… Continue reading Degree of a Polynomial

## Real Numbers

A real number is a value that represents a quantity along a number line which can be positive numbers, negative numbers, fractions or zero. Real numbers are represented by R. Real numbers can be categorized into two classes as: Rational Numbers  Irrational Numbers Real numbers can be thought of as points on an infinitely long… Continue reading Real Numbers

## Rational Numbers

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. A number ‘r’ is called a rational number, if it can be written… Continue reading Rational Numbers