Here we have provided RS Aggarwal class 10 Math Solutions Chapter 7 Triangles. Rs Aggarwal class 10 maths book is one of the best resources for class 10 maths preparation. Rs Aggarwal class 10 maths is a very important book for board examinees.

Triangles are vitally important as a topic for future parts of RS Aggarwal Maths Class 10 exercises because when you’re dealing with topics such as surface area and volume further down the lines the concepts and formulas here will be very helpful in those chapters. In general, it is safe to say that this is a very foundational and scoring chapter with respect to your tests.

## RS Aggarwal Class 10 Math Solutions Chapter 7 Triangles

Also Read:

Chapter 1 – Real Numbers

Chapter 2 – Polynomials

Chapter 4 – Quadratic Equations

Chapter 5 – Arithmetic Progression

Chapter 6 – Co-ordinate Geometry

## RS Aggarwal Class 10 Math Solutions Chapter 7 Triangles PDF Download

Due to the significance that this holds we would urge you to carefully go through the RS Aggarwal Class 10 maths chapter 7 solutions and there is more. The RS Aggarwal class 10 chapter 7 solutions can be accessed on our website as a pdf. These pdf format solutions to the exercises will be a great support to your studies of the subject.

## Important concepts to keep in mind

There are numerous aspects of the topic that you will need to understand before you begin solving the exercises of chapter 7 – triangles. These include the various formulas of similarity and the various types of triangles and the properties associated with them.

## Types of triangles

S. no | Types based on angles | Types based on size length |

1 | Acute – Each angle being less than 90^{o} | Isosceles – Having two sides being of the same length |

2 | Isosceles – Having two sides of the same length | Right Isosceles – Being an isosceles with one 90^{o} |

3 | Right- Having at least one angle at 90^{o} | Equilateral – Having all sides being the same length |

**Similar triangles –**Having the same angles but different side lengths; also known as equiangular triangles**Congruent triangles –**Having the same angles and the same length of each side**Thales theorem/ Basic proportionality theorem:**The ratio of each corresponding side of the similar triangles has the same ratio. For instance two similar triangles ABC and A’B’C’ will have identical values of: AB/A’B’ = BC/B’C’ = AC/A’C’**Heron’s formula:**Area = Square root of√s(s – a)(s – b)(s – c) where s is half the perimeter, or (a + b + c)/2**Altitude:**A line segment drawn from a vertex to the opposite side where it intersects perpendicularly**Orthocentre:**The point a which all the altitudes of a shape meet**Median:**Line segments drawn from a vertex to the midpoint of the opposite side**Centroid:**The meeting point of each median line

Additionally, it would be worthwhile to learn the formulas for the area of a triangle and the perimeter of each type of triangle.

For being rather early on there is a lot of content in this chapter and so there are plenty of questions in RS Aggarwal class 10 maths for you to become thorough with the concepts.

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