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# RD Sharma Solutions for Class 9 Maths Chapter 12:Heron's Formula

This chapter deals with the area of a triangle when all the sides of it are given. The name Heron's formula has been named after the great hero of Alexandria. Also, we can determine the perimeter, semi-perimeter if the parameters mentioned in the formula are given.

We will learn about the application of Heron's formula in this chapter. The famous Heron's formula is Where a, b, c are the sides of the triangle, and 's' is the semi perimeter of the triangle.

Suppose, in a triangle (any kind of triangle) ABC, all the sides AB, BC, CA are given as 5 cm., 6 cm., 7 cm. First, we have to calculate 's'. 's' can be calculated by the formula By this formula, we can determine the triangle area, and if the area of the triangle is given, we can determine the length of the sides of the triangle. Moreover, several proofs validate the formula. Apart from Heron, several mathematicians have given some formulas to determine the triangle area for the sake of convenience, but we'll use only Heron's formula in this chapter to understand this formula to the fullest.

## Key features of Aakash Institute RD Sharma solutions for class 9th Maths Chapter 12: Heron's Formula

• Aakash institute's experts have developed the solutions so that all kinds of students find the solutions easy for them.
• The RD Sharma solutions are prepared by highly experienced teachers who use their knowledge and experience to formulate the best response to every question.
• The questions involved in this chapter are purely based on the exam syllabus of class 9 maths.
• The RD Sharma solutions provided by the Aakash institute prepares the students for examination by helping them practice all the types of questions related to this chapter.

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