This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
To find the perimeter of the triangle, let's first know the meaning of the word perimeter

Perimeter - 
is the total length of all sides in a certain shape.

Therefore, to find the perimeter of a triangle, simply add all the three sides of it. Once you get it's total, the total is the perimeter.

Hope it Helps =)

Domini has the correct answer !!!