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Math class/std Ten

Real Numbers

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...

Quadratic Equation

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...

Coordinate Geometry

Coordinate Geometry is an algebraic tool to study geometry of figures. Coordinate Geometry helps ...

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...

Surface Areas & Volume

(1) Cuboid

Volume of cuboid `=(lxxbxxh)` cubic units

Where, `l=` length, `b...