Math Dictionary-S deals with words starting with the letter **S**.

A selection of item taken from a larger group (the "population") so that we can examine it to find out something about the larger group.

**SAS similarity**

Two triangles are similar if two sides in one triangle are in the same proportion to the corresponding sides in the other, and the included angles are equal.

**SAS congruence**

If two pairs of sides of two triangles are equal in length and the included angle are equal in measurement, then the triangles are congruent.

__ Scale__ or

A drawing that shows an objects in the original size except the it had been reduced or enlarged by a certain amount.

More words on math dictionary-s as follows:

**Scalene triangle**

A triangle with no equal sides.

**Scatter diagram:**

Scatter diagram is a mathematical diagram used to display values for two variables for a set of data.

Scientific notation is the method used to handle very large numbers or very small numbers.

A straight line or ray or segment, that divides(intersects) the circle(curve) in two points.

This is a solid generated when a semicircle is being rotated about its diameter. In three-dimensional space, this is also known as perfect round geometrical object.

**Section Formula:(Internally) **

To find the coordinates of the point which divides internally the line segment joining two given points (x₁,y₁) and (x₂,y₂) in the given ratio m:n

Section Formula(Externally)

To find the coordinates of the point which divides Externally the line segment joining two given points (x₁,y₁) and (x₂,y₂) in the given ratio m:n

Synthetic division is a short cut method of polynomial division. The condition to be used this method is, the divisor must of be of first degree and should be in the form (x-a).

**System of linear equations**

System of linear equations means a set or collection of linear equations, that we deal with all together at once. As we know dealing with linear equations is more simpler than dealing with non linear equations.

We had seen some math words starting with s in this page math dictionary-s.

“Mathematics, without this we can do nothing in our life. Each and everything around us is math.

Math is not only solving problems and finding solutions and it is also doing many things in our day to day life. They are:

It subtracts sadness and adds happiness in our life.

It divides sorrow and multiplies forgiveness and love.

Some people would not be able accept that the subject Math is easy to understand. That is because; they are unable to realize how the life is complicated. The problems in the subject Math are easier to solve than the problems in our real life. When we people are able to solve all the problems in the complicated life, why can we not solve the simple math problems?

Many people think that the subject math is always complicated and it exists to make things from simple to complicate. But the real existence of the subject math is to make things from complicate to simple.”

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**Math Dictionary **