Question

What is the perimeter of an equilateral triangle if one side is 4?
a. 12
b. 8
c. 64
d. 7​

Answer 1

Answer:

Option A: 12

Given, an equilateral triangle, where a (side) = 4

We know that, in an equilateral triangle, the sides are angles are equal.

Perimeter of an equilateral triangle = 3a

3(4) = 12 units.