Triangle basic concept, shortcut formula, triangle aptitude and quick solution by using mensuration formula are here. Please read the full tutorial on the triangle. In this post, we are going to provide you, the core concept of the triangle with the shortcuts formula with example solved question of the triangle mensuration for the upcoming competitive exam. All the mentioned information of the triangle will have given step by step. So stay with us for the latest mensuration formulas.

What is the triangle?: A three-armed plane figure which has three vertices is called a triangle.

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We have discussed mainly three types of triangles but one more type of triangle you can see in the math book which is Degenerate Triangle. The Degenerate triangle is a triangle which has an equal lengthy arm in compare to the sum of other two sides. It looks like a line. It's not important for our competitive exam, so it has been ignored. Look at below for three type of triangle which classified by arm's length.

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► Acute Triangle: All the angle of triangles are less than 90 degrees is called Acute Triangle.

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Above, we have informed you of the basic concept and the classification of a triangle for. Now we are moving to the shortcuts formula for mensuration math on the triangle. As we are preparing for the upcoming competitive examination, so we are going to discuss the only important math tricks and mensuration aptitude which we need. In the competitive examination, the examiner generally asks the perimeter, area, length of an arm and hight of a triangle etc. So, we are going to discuss these topics. First of all, we will give you some important formula for the triangle then some solved mensuration problems using mensuration tricks. After all, it will help you to solve any mensuration math problem related to triangle accurately and in less time.

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What is the triangle?: A three-armed plane figure which has three vertices is called a triangle.

## Classification of the Triangles

It is essential to know the classification of the triangle to solve any math problem related to this topic. Usually, the triangle is classified by its angels and arm's length. We are going to discuss both types of classification of the triangle to observe well and score well in the competitive exam.### Classification of the triangle by Arm's Length

There are four types of triangles by arm's length. They are:-►

**The equilateral triangle is a kind of triangle which has three equal arms. The speciality of this triangle is all angels are equal, and the value of each angle is 60 degree.**__Equilateral Triangle:__► I

**A triangle which has the minimum of two arms are equal in length. By definition, you can tell that all equilateral triangles are the Isosceles triangle but all Isosceles triangles are not an equilateral triangle.**__sosceles triangle:__►

**A triangle which has three different lengthy arms, is called Scalene triangle.**__Scalene Triangle:__We have discussed mainly three types of triangles but one more type of triangle you can see in the math book which is Degenerate Triangle. The Degenerate triangle is a triangle which has an equal lengthy arm in compare to the sum of other two sides. It looks like a line. It's not important for our competitive exam, so it has been ignored. Look at below for three type of triangle which classified by arm's length.

### Classification of the Triangle by Angels

There are four kinds of the triangle is classified by angles. They are►

**: A triangle which has at least one 90 degrees angle is called Right Angle Triangle**__Right angle triangle__►

**This kind of triangle which has one angle value of fewer than 180 degrees and greater than 90 degrees is called an Obtuse Triangle.**__Obtuse Triangle:__► Acute Triangle: All the angle of triangles are less than 90 degrees is called Acute Triangle.

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**: A kind of triangle which made by three equal angles. As you know that the sum of the interior angles of a triangle is 180 degree. So all angles are 60 degrees. This kind of triangle you can call an Equilateral triangle. Because Equilator triangle is made of three equal arms.**__Equiangular Triangle__Above, we have informed you of the basic concept and the classification of a triangle for. Now we are moving to the shortcuts formula for mensuration math on the triangle. As we are preparing for the upcoming competitive examination, so we are going to discuss the only important math tricks and mensuration aptitude which we need. In the competitive examination, the examiner generally asks the perimeter, area, length of an arm and hight of a triangle etc. So, we are going to discuss these topics. First of all, we will give you some important formula for the triangle then some solved mensuration problems using mensuration tricks. After all, it will help you to solve any mensuration math problem related to triangle accurately and in less time.

Get More Tutorial on

Triangle mensuration tricks and shortcut formula #2

Boat and Stream Formula

Cube and Cuboid mensuration

Circle Mensuration formulas

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