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NCERT Solutions for Class 9 Maths Chapter 13 Surface Areas and Volumes: Download Free PDF

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Class 9 Maths Chapter 13 NCERT Solutions: The chapter talks about the surface areas and volumes of cylinders, cuboid and cubes, also the cones and spheres. The cuboids have been broken down to layouts so that each side of the cuboids explains the area and surface parameters. Further, formulas are given to solve problems related to cuboids, cylinders and spheres. Here the length of the sheet is equal to the base's circumference, which is circular and equal to 2πr. The top part and bottom portion of the cylinder are circular and have the area 2πr2.

  • The chapter talks about the other shapes which are curved and have their own areas and mass.
  • Measurement of the cuboids, spheres and cylindrical shape has been done. The inner, outer and the top surface of the cylinder is determined using certain formulas and theorems.
  • A circle is a quadrilateral with infinite sides. It is a closed plane figure whose point lies at a constant distance known as "Radius" from a fixed point which is known as the centre.
  • The sphere is a three-dimensional solid figure which can be considered a 3D figure for a circle.
  • Every point on the sphere lies at a constant distance called the radius from the centre of the circle.
  • Hemisphere is said to be formed when the sphere is cut into half. It also talks about volume of a hemisphere.
  • The capacity of the sphere or cuboid is called the volume.
  • The formula to measure the volume of the cubic unit is edge × edge × edge = a3
  • Problems related to the cylinder's measurement are calculated as "r" is the base radius, and "h" is the height of the cylinder.

 

Class 9 Maths Chapter 13 Surface Areas and Volumes Video

 

Class 9 Maths Chapter 13: Surface Areas and Volumes NCERT Solutions PDF for Download

 

 

FAQs for NCERT Solutions For Class 9 Maths

 

QWhere to find and download NCERT solutions for class 9 Mathematics?

A. Aakash provides free NCERT Solutions in PDF format for NCERT Class 9 Mathematics which is available on the Aakash website. The solutions are arranged in a proper sequence topic-wise.

QWhat is remarkable in the Aakash NCERT Solutions for Class 9th Maths?

A. Every step to the solution in the PDF provided is clearly explained to help students. It is to aid them to gain a clear idea of the concept. Aakash ensures that a thorough study of the material will enable the students to obtain an insight into each concept and method. Furthermore, the students will be able to solve any numerical question or prove the question posed to them from any topic.

QWill just practicing the NCERT solutions for class 9th Mathematics be enough to score good marks?

A. To ensure good marks in mathematics, the student needs to practice solving the problems as well. It is only by practise that he/she would know about the method and solve the question in the assessment. Reading or browsing through the solutions PDF is not enough. A student can find NCERT solutions for class 9th mathematics on the Aakash website.

Q. Are NCERT and CBSE the same?

A.There is a major difference between the two because they fall into different categories altogether. CBSE or Central Board of Secondary Education is a board which is the governing body while NCERT or National Council of Educational Research and Training is the council. NCERT basically is responsible for drafting content and syllabus that is required for CBSE board exams. In short, CBSE is a board whereas NCERT is a council.

Q. Do I need to practice all questions provided in NCERT solutions Class 9?

A. All the questions that are included in CBSE Exams are based on the NCERT Class 9. Thus, in order to get good marks, it is necessary to be well-versed with all the questions covered in Class 9 NCERT Solutions which can only be achieved through regular practice.

 

NCERT Related Links

 

Class 9 Maths NCERT Solutions Chapterwise PDFs

NCERT Solutions For Class 9 Maths Chapter 1 Number System NCERT Solutions For Class 9 Maths Chapter 2 Polynomials NCERT Solutions For Class 9 Maths Chapter 3 Coordinate Geometry
NCERT Solutions For Class 9 Maths Chapter 4 The Linear Equations in Two Variables NCERT Solutions For Class 9 Maths Chapter 5 Introduction to Euclid’s Theory NCERT Solutions For Class 9 Maths Chapter 6 Lines and Angles
NCERT Solutions For Class 9 Maths Chapter 7 Triangles NCERT Solutions For Class 9 Maths Chapter 8 Quadrilaterals NCERT Solutions For Class 9 Maths Chapter 9 The Areas of Parallelograms and Triangles
NCERT Solutions For Class 9 Maths Chapter 10 Circles NCERT Solutions For Class 9 Maths Chapter 11 Constructions NCERT Solutions For Class 9 Maths Chapter 12 Heron’s Formula
NCERT Solutions For Class 9 Maths Chapter 14 Statistics NCERT Solutions For Class 9 Maths Chapter 15 Probability

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