### Home > CCA2 > Chapter 1 > Lesson 1.2.4 > Problem 1-117

1-117.

Sketch a few different equilateral triangles. Create multiple representations (*x* → *y* table, graph, equation) of the function with inputs that are the length of one side of an equilateral triangle and outputs that are its perimeter. 1-117 HW eTool (Desmos). Homework Help ✎

Use the eTool below create multiple representations of the function.

Click the link at right for the full version of the eTool: CCA2 1-117 HW eTool

Start by creating some equilateral triangles of different sizes.

Use the triangles you drew to make a table.

Draw the graph.

Use the table of the graph to help you write the equation.