My name is wasia shirin. I am currently an engineering student. Ihave won many prizes in creative writing competitions.

Wasia Shirin

This course discusses Class 9 CBSE Mensuration basics such as Area of Triangle and Quadrilateral by using Heron's Formula.

Learn all the basic concepts of Class IX to build a strong foundation for your future learning curve.

CBSE Class 9

English

CBSE Class 9: Mensuration - Part 1

Real Numbers

Number Systems

Mathematics

Class 6-12

Become a topper in your school and ace your board exams by learning from best educators in the country

CBSE

CBSE (Central Board of Secondary Education)

In this lesson we learn as to what is Heron's formula and its application in finding the area of a triangle. Then we apply the same concept in finding the area of quadrilateral.

Area of Triangle and Quadrilateral

We will learn what is the difference between area and surface area and understand how the formulae for total, lateral and curved surface areas are derived. We will apply the formulae in some problems for better understanding of this concept

Surface Area of Cube, Cuboid and Right Circular Cylinder

Understanding how to find the surface area and curved surface area of a right circular cone and a sphere

Surface Area of Right Circular Cone and Sphere

What is volume? And understanding how the formulae for volume of cube, cuboid and cylinder is derived.

Volume of Cuboid and Cylinder

Discussing about the volume formulae of a right circular cone, sphere and a hemisphere. Having an overview of all the surface area and volume formulae of various shapes.

Volume of Right Circular Cone and Sphere

Research scholar at J. P. University 
11 years teaching experience

Maswood Alam Khan

The course covers Concept of real number and operation on real numbers.

(Hindi) NCERT Class 9 - Real Numbers

Electrical and Electronics engineer!! Unacademy educator !! Cbse category!! Follow for maths courses!!

Sandeep Kumar Patel

This course will have about 15 lessons of all chapters of class 9th maths , each chapters will consist of one line questions in the statement form

(Hindi) Maths NCERT for Class 9th - One Liners

Love to learn. Learning to teach better. UPSC Aspirant. Dreamer. Let's help each other progress. 

Sakthi Priya M

This course is an attempt to summarise the NCERT IXth Maths book.

NCERT- Class 9 Mathematics Summary

Youtube channel-  Trickezy
M.Sc in MATHS from NIT,Agartala
Cleared JEE Main twice(2013/2014)
Rank- 69927(JEEMain);; 2092(WBJEE);;102(TBJEE) 

Sandip Nath

In this course every is covered releted to number and its system of work.

Lessons

5 lessons • 44m

Area of Triangle and Quadrilateral

Surface Area of Cube, Cuboid and Right Circular Cylinder

Surface Area of Right Circular Cone and Sphere

Volume of Cuboid and Cylinder

Volume of Right Circular Cone and Sphere