Students find the perimeter of a triangle by adding the lengths of its sides. They use a model for support
A. Identify the perimeter of a polygon
B. Measure and add to find the perimeter of a polygon
D. Find the perimeter of a rectangle
E. Find the perimeter of a polygon
F. Find the perimeter of a pentagon
G. Find the length of an unknown side of a triangle
H. Find the length of an unknown side of a quadrilateral
I. Find the perimeter of a equal-sided polygon using multiplication