Question

I don't know how to find the perimeter of a triangle

Answer 1

Answer:

it is add all the sides together

Step-by-step explanation:

so since you add all of the sides together,you will get the answer. for example, the sides are 3 mm, 1mm, and 17mm.That would be 17 plus 1 and that equals 18mm.add 2 and then add 3 to get 21mm. btw yur welcome

Answer 2

just add all the sides that is it. no special treatment