Find the Perimeter of Triangles #1

Sail through geometry practice with this worksheet all about finding the perimeter of triangles! Students are given nine unique triangles with all three side lengths labeled. Learners will need to add each measurement to find the perimeter of the triangle.

By calculating perimeter, students can recognize that shapes have measurable attributes. This understanding can support students as they learn to find the area and perimeter of other shapes, including composite shapes. These skills are vital as learners dive deeper into geometry and discover other properties of 2D and 3D shapes.

For additional perimeter practice, try Find the Perimeter of Squares & Rectangles #1 and Zipping Around the Zoo: Perimeter Word Problems.