Question

The perimeter of an equilateral triangle of side 7 cm is​

Answer 1

Answer:

Here is your answer,

21cm

Hope this was helpful.

Step-by-step explanation:

Perimeter of triangle = sum of all the sides

In equilateral triangle, all the sides are equal

so, perimeter =7+7+7

=21cm

Answer 2

Answer:

side of equilateral triangle = 7 cm

perimeter of triangle = Side×base× side

= 7×7×7

= 21 cm

hope it helps you dear....