KCET Important Chapters 2023: Get Chapter-wise Weightage

August 8, 202239 Insightful Publications

**NCERT Solutions for Heron’s Formula Exercise12.2 Class 9 Maths: **The concepts you study in Class 9 will greatly assist you in understanding the topics you will study in Class 10. You can also prepare for competitive exams by studying the class 9 syllabus. To learn concepts in-depth, students must refer to the NCERT book and NCERT solutions provided by embibe.

In this article, we have provided NCERT solution for ex 12.2 class 9 which students can refer to for solving questions of ex 12.2 class 9th. These solutions provide clear and straightforward techniques for answering all of the exercises and in-text questions from Chapter 12 class 9, allowing students to better comprehend all concepts covered in the chapter Heron’s Formula.

Before we provide you with the PDF of NCERT Solutions for Exercise 12.2 class 9 Maths. Let us have an overview first.

Class | CBSE Class 9 |

Book Name | NCERT Class 9 Maths |

Solutions | NCERT Solutions for Heron’s Formula Exercise12.2 Class 9 Maths |

Available on | Embibe |

Price | Free |

Here we have provided the link to download the PDF of the NCERT solution for ex 12.2 class 9. Just click on the link given below and get the PDF:

NCERT solution for ex 12.2 class 9 | Click Here |

The area of a triangle is calculated using Heron’s Formula. This chapter begins with applying Heron’s Formula to find the area of a triangle in a variety of situations. Other concepts connected to the area of triangles are also covered in this chapter. Students will also learn how to find the area of quadrilaterals using Heron’s Formula. By partitioning a quadrilateral into triangles and then using Heron’s Formula, the area of a quadrilateral with provided sides and one diagonal can be computed. Heron’s Formula can be applied to a variety of outdoor geometries.

**Click Here** to check Class 9 Maths – Heron’s formula.

Heron’s formula and its applications are the subjects of this chapter. Exercises 12.1 and 12.2 are included in the NCERT Solutions for Class 9 Maths Chapter 14. Here are the sections of CBSE Class 9 Maths Chapter 12 – Heron’s Formula that was covered:

Exercise | Topics |

12.1 | Introduction |

12.2 | Area of a Triangle – by Heron’s Formula |

12.3 | Application of Heron’s Formula in Finding Areas of Quadrilaterals |

12.4 | Summary |

Here we have provided some important questions from heron’s formula class 9:

Q1. A rectangular plot is given for constructing a house, having a measurement of 60 m long and 20 m in the front. According to the laws, a minimum of 4 m, wide space should be left in the front and back each and 3 m wide space on each of other sides. Find the largest area where a house can be constructed.

Q2. How much paper of each shade is needed to make a kite given in the figure, in which ABCD is a square with a diagonal of 33 cm.

Q3. The perimeter of an isosceles triangle is 64 cm. The ratio of the equal side to its base is 3: 2. Find the area of the triangle.

Q4. Find the cost of laying grass in a triangular field of sides 60 m, 75 m and 65 m at the rate of Rs 7 per m2.

Q5. A rhombus-shaped field has green grass for 18 cows to graze. If each side of the rhombus is 30 m and its longer diagonal is 48 m, how much area of grass field will each cow be getting?

Q6. A field is in the shape of a trapezium whose parallel sides are 25 m and 10 m. The non-parallel sides are 14 m and 13 m. Find the area of the field.

Q7. The sides of a triangle are in the ratio of 12: 17: 25 and its perimeter is 540cm. Find its area.

Q8. Find the area of a triangle whose two sides are 18 cm and 10 cm and the perimeter is 42cm.

Q9. Raghini has a piece of land, which is in the shape of a rhombus. She wants her two sons to work on the land and produce different crops. She divides the land in two equal parts by drawing a diagonal. If its perimeter is 400 m and one of the diagonals is of length 120 m, how much area each of them will get for his crops ?

Q10. The perimeter of a triangular field is 144 m and its sides are in the ratio of 3:4:5. Find the length of the perpendicular from the opposite vertex to the side whose length is 60 m.

Q11. Find the area of the triangle whose perimeter is 180 cm and two of its sides are of lengths 80 cm and 18 cm. Also, calculate the altitude of the triangle corresponding to the shortest side.

Q12. The sides of a triangular park are 8 m, 10 m and 6 m respectively. A small circular area of diameter 2 m is to be left out and the remaining area is to be used for growing roses. How much area is used for growing roses? (use n = 3.14)

Q13. If every side of a triangle is doubled, then find the per cent increase in the area of the triangle so formed.

Q14. If the length of a median of an equilateral triangle is x cm, then find its area.

Q15. Find the area of a triangle whose sides are 11 m, 60 m and 61 m.

Below we have provided some benefits of having NCERT Solutions for exercise 12.2 class 9 maths:

- The NCERT solution for exercise 12.2 class 9 helps students in grasping the topics included in heron’s formula class 9.
- In the NCERT solution for exercise 12.2 class 9, Maths answers are explained with the help of diagrams hence students can easily understand the answers.
- There is an elaborated explanation of the answers in NCERT’s solution for exercise 12.2 class 9 maths so students will grasp the concepts easily and will remember them for a long.
- In the NCERT solution for class 9 maths chapter 12 exercise 12.2, students can clear their basics by following a step-by-step approach.
- NCERT solution for class 9 maths exercises 12.2 solutions will help students tough questions with ease and allow them to save a lot of time.
- Students can consult NCERT Solutions for other chapters. With the help of subject matter experts’ solutions, students will be able to understand all concepts more easily.

Here we have provided some frequently asked questions on NCERT solutions for exercise 1.5 class 11 maths:

**Q1. From where can I download NCERT Solutions for exercise class 9 maths chapter 12 exercise 12.2?****Ans**: The NCERT solution for class 9 maths chapter 12 exercise 12.2 can be downloaded from the link provided above. Experts at Embibe have supplied NCERT Solutions for ex 12.2 class 9 and you may check your answers with the ex 12.2 class 9 NCERT solutions.

**Q2. How difficult are class 9 maths chapters?****Ans**: Class 9 maths chapters are not that difficult if students practice NCERT questions well. Students can get good marks in this chapter by solving exercise questions with the help of the NCERT solution for ex 12.2 class 9.

**Q3. How NCERT Solutions for Class 9 Maths can help me in improving my score?****Ans**. Embibe’s NCERT solutions are created by the best faculty and subject matter experts, and they include extensive solutions to all NCERT questions from the heron’ formula chapter, so students don’t have to worry about getting stuck as they study them.

**Q4. Which is the best book for the Class 9 Maths exam preparation?****Ans. **NCERT Maths textbook for class 9 is the best book for studying. To study for the CBSE board, most teachers recommend the NCERT Textbook.

**Q5. How do I prepare for the class 9 maths exam?****Ans: **Learn what each formula means and practice derivations. Examine the solutions to the problems to learn how to solve them. The key to getting good grades in math class 9 is practice.

*We hope you found this article on NCERT solution for class ex 12.2 class 9 informative and helpful. If you have any questions related to that feel free to write in the comment box we will get back to you as soon as possible. **Stay tuned with **Embibe** for more such NCERT Solutions for all chapters of class 9. Thank you!*