Question

Q9) Perimeter of an equilateral triangle, whose each side is 'x' unit is
O 3X unit
O 3 + X
03/X
0 2x​

Answer 1

3X units is the answer

Answer 2

Answer:

3x units ✔

Step-by-step explanation:

A triangle is a polygon with 3 sides and three vertices.

An equilateral triangle is a triangle with all three sides and angle equal.

If one side is "x", then the other two sides are also of measure "x".

i.e. the three sides of the triangle = x, x and x

Perimeter of a triangle = Sum of measure of all the sides.

Perimeter of the triangle = x + x + x

Perimeter of the triangle = 3x

So, perimeter of an equilateral triangle, whose one side is "x" units is 3x units.

More:

On the basis of sides, there are three basic classification of triangles:

Equilateral triangle: A triangle with all three sides and angles equal.

Isosceles triangle: A triangle with two sides and two angles equal to each other.

scalene triangle: A triangle with no side and no angles equal.