Triangle basic concept, shortcut formula, 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, with the core concept with solved problems from this chapter for the upcoming competitive exams. Step by step we are going to discuss the mensuration formulas for this chapter.
Definition: A three-armed plane figure which has three vertices is called a triangle.
► Isosceles: this type of figure has a minimum of two equal arms in length. By definition, you can tell that all equilateral is the Isosceles triangle but all Isosceles are not equilateral triangles.
►Scalene: It has three different lengthy arms.
We have discussed mainly three forms but one more type of figure you can see in the math book which is the Degenerate Triangle. The Degenerate is a form that has an equal lengthy arm in comparison to the sum of the 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 types of triangles which are classified by arm's length.
►Right angle: only one angle is 90 degrees.
►Obtuse: A angle is less than 180 degrees.
►Acute: All the angles are less than 90 degrees is called Acute Triangle.
►Equiangular: A kind of figure made by three equal angles. As you know the sum of the interior angles is 180 degrees. So all angles are 60 degrees. This kind of figure you can call an Equilateral triangle. Because Equilator is made of three equal arms.
Above, we have informed you of the basic concept and the classification. Now, we are moving to the shortcuts formula for mensuration math on the triangle. As we are preparing for the upcoming competitive examination, we are going to discuss the only important math tricks and mensuration aptitude which we need. In the competitive examination, the examiner generally asks about the perimeter, area, length, and height. So, we are going to discuss these topics. First of all, we will give you some important formulas for this chapter then some solved mensuration problems using mensuration tricks. After all, it will help you to solve any mensuration math problem related to triangles accurately and in less time.
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Definition: A three-armed plane figure which has three vertices is called a triangle.
Classification of the Triangles
It is essential to know the classification to solve any problem related to this topic. Usually, it 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.Types by Arm's Length
► Equilateral: it has three equal arms. The specialty of this figure is all angels are equal and the value of each angle is 60 degrees.► Isosceles: this type of figure has a minimum of two equal arms in length. By definition, you can tell that all equilateral is the Isosceles triangle but all Isosceles are not equilateral triangles.
►Scalene: It has three different lengthy arms.
We have discussed mainly three forms but one more type of figure you can see in the math book which is the Degenerate Triangle. The Degenerate is a form that has an equal lengthy arm in comparison to the sum of the 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 types of triangles which are classified by arm's length.
Types by Angels
It is also four types of angles. They are►Right angle: only one angle is 90 degrees.
►Obtuse: A angle is less than 180 degrees.
►Acute: All the angles are less than 90 degrees is called Acute Triangle.
►Equiangular: A kind of figure made by three equal angles. As you know the sum of the interior angles is 180 degrees. So all angles are 60 degrees. This kind of figure you can call an Equilateral triangle. Because Equilator is made of three equal arms.
Above, we have informed you of the basic concept and the classification. Now, we are moving to the shortcuts formula for mensuration math on the triangle. As we are preparing for the upcoming competitive examination, we are going to discuss the only important math tricks and mensuration aptitude which we need. In the competitive examination, the examiner generally asks about the perimeter, area, length, and height. So, we are going to discuss these topics. First of all, we will give you some important formulas for this chapter then some solved mensuration problems using mensuration tricks. After all, it will help you to solve any mensuration math problem related to triangles accurately and in less time.
Get More Tutorial on
Full Area Formula Tutorial List.
Triangle mensuration tricks and shortcut formula #2
Boat and Stream Formula
Cube and Cuboid mensuration
Circle Mensuration formulas
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