Find the perimeter of a triangle https://go-math-science.com/math/basic_arithmetic/whole-numbers/adding-whole-numbers/find-the-perimeter-of-geometric-shapes/find-the-perimeter-of-a-triangle https://go-math-science.com/@@site-logo/logo-new.png volume_mute Find the perimeter of a triangle publish date: 2025/06/15 01:08:00 UTC volume_mute 12 mm 18 mm 13 mm 7 mm Show Answer Hide Answer Correct Answer 18 mm Referencego-math-science.com Quizzes you can take where this question appears Find the perimeter of geometric shapes