1. Perimeter of Polygons Perimeter: the distance around a polygon Trace the perimeter of the shape.

2. Find the perimeter of each shape. 6.1 cm 1.) Isosceles Triangle 2.) Baseball Diamond 90 ft 4.7 cm 90 ft Use + Use x

3. 3.) What is the perimeter of a regular hexagon with a side measuring 12.5 m? 4.) What is the perimeter of an isosceles triangle with two congruent sides of 5.6 cm and one side measuring 3.8 cm? Flashback: What is a regular polygon? A polygon with equal sides and angles Flashback: What is an isosceles triangle? A triangle with two congruent sides

4. Find the perimeter of the irregular shape. 2 m 4 m 6 m 7 m 3 m 5.) 6 m 2 m 4 m

5. Sometimes not all the sides are given to you. You can use the given information to find the missing sides. Label the missing sides and then find the perimeter. 3 m 4 m 7.) 6.) 7 ft 2 ft 3 m 4 m

6. Demonstrate Understanding: Find the perimeter of the following shapes. 1.) A regular octagon with a side measuring 4.5 ft. 2.) 6.2 m 4.7 m