Triangles are closed figures joining with straight line segments .there are different types of triangles from which the Equilateral Triangle is a regular polygon figure that has three equal-length congruent sides (same measure). hence all three angles should also be equal (equiangular). as the internal angles are acute, the equilateral triangle is itself acute.
since, we knew that all the sides and angles are equal in length, their sum will also be equal to 180º and each interior angle will be 60º.
The area of a flat figure like the Equilateral Triangle represents the size of its surface. the multiplication of base (b) with height (h) and dividing by 2 will give us the area of an equilateral triangle. in other words, the area will be one-half of the base (a) times its height.
let’s suppose we have a height √of 3a/2. by putting the value of height from the above figure we have the area of an equilateral triangle:
as the following triangle has three sides all equal to each other, the perimeter corresponds to the sum of all sides or three times the length of one of its sides ( a ).
Mathematically,
P = a + a + a = 3a
to find the height of an equilateral triangle we use the Pythagorean theorem. for this purpose, let us divide the triangle into two parts to make a right triangle. now take the sides a, a / 2, and height h. where sides a / 2 and h are known as legs while a is called the hypotenuse.
this theorem states that two legs of the right triangle lie on the hypotenuse. the two sides that are characteristic a right triangle are known as the legs while the longest opposite side to the legs is the hypotenuse.
according to the theorem:
the square of the hypotenuse is equal to the sum of the square of its legs.
c² = a² + b²
where a and b are two legs and c points to the hypotenuse.
The following properties fall under the Mentioned triangle:
Questions and Solved Excercise
What is the equilateral triangle?
Ans: it is a regular polygon triangle that has three sides of equal lengths as well as equal angles. the internal angles are called congruent and are 60º each.
What is an equilateral triangle example?
Ans: rack in billiards, a slice of a pizza is an example of such type of triangle.
What is the area and perimeter of an equilateral triangle?
Ans: the area is said to e √3 a2/ 4 while the perimeter is equal to 3a. where a is the side of an equilateral triangle.
What are the rules for an equilateral triangle?
Ans: basic properties and rules are given below:
What are the 3 main types of triangles?
Ans: equilateral, isosceles, and scalene are three major types of triangles based on their sides.
How many sides does an equilateral triangle have?
Ans: it has 3 sides all equal in length.
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