Question

The perimeter of a triangle is the sum of the lengths of its three sides. Write a rule for the perimeter of an equilateral triangle, given the length of its side. Take a as the length of each side of the triangle​

Answer 1

Step-by-step explanation:

Perimeter= sum of all lengths of sides of triangle.

⇒ Perimeter =11×3=33cm.

Answer 2

The perimeter of a triangle is the sum of the lengths of its three sides.

In an equilateral triangle all the sides are equal i.e. s .

Perimeter of equilateral triangle = s + s + s

= 3s

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