Question

The perimeter of ____=3xside

Answer 1

Answer:

an isoscles triangle

Step-by-step explanation:

it is so because in an isosceles triangle all sides are equal and and perimetre is sum of all sides

Proof: since it is an  isoscles

so side a = side b = side c

so perimetre will be a +b + c

perimetre = a + a + a

which is equal to 3a

so you got your answer thank you