Question

find out an algebraic expression to indicate the perimeter of an equilateral triangle?​

Answer 1

Answer:

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Step-by-step explanation:

The perimeter of an equilateral triangle is the sum of its three sides. A triangle is considered to be equilateral if it has the following basic properties:

All three sides are equal.

All three angles are equal to 60°

In the figure given below, the sides of the triangle PQR are equal, i.e., PQ = QR = RP. Along with this, the angles of the triangle are also equal. Therefore, this is an equilateral triangle. Now, the perimeter of an equilateral triangle = 3a (where a is the side of an equilateral triangle)