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# Math class/std Ten

## Irrational Number

A number is called irrational if it ...

## Polynomials

An expression which consists variables and coefficient and non-negative integer components involv...

## Pair of Linear Equations in Two Variables

An expression in the form of ax+by+c=0 where a, b and c are real numbers, and a and b a...

Question(1). Check whether the following are quadratic equations:

(i)(x+1)^2=2(x-3)

## Arithmetic Progression

A series of numbers in which next term is obtained by adding a fixed number to the preceding term...

## Introduction to Trigonometry

Trigonometry is the study of relationships between the sides and angles of a triangle.

...

## Some Applications of Trigonometry

Question: 1. A circus artist is climbing a 20 m long rope, which is tightly stretc...

## Circle

Circle is a collection of all points in a plane which are at a constant distance (radius) from a ...

## Areas Related to Circles

Unless stated otherwise, use π = 22/7

Question (1) The radii of two cir...

## (1) Cuboid

Volume of cuboid =(lxxbxxh) cubic units

Where, l= length, `b...