Perimeter of an Isosceles Triangle = 2a + b, in which a is The 2 sides of equal duration and b will be the 3rd sides Your browser isn’t supported anymore. Update it to get the very best YouTube working experience and our most up-to-date features. Find out more needs https://thebookmarkking.com/story13587964/the-2-minute-rule-for-what-is-perimeter-in-math