1. Unit 8-2
Perimeter

2. Perimeter Perimeter: Add sides together
Circumference: (perimeter of a circle)

3. Example 1—Find the perimeter
5 ft
5 m
5 m
3 ft
4 m

4. Example—find the perimeter
6 cm
5 in
2 in
10 cm
10 cm
6 in
12 cm

5. Example—find the perimeter
7.4 cm
5 in

6. Example—find the perimeter
6 cm

7. Example—find the perimeter
Find the perimeter of the triangle below (you may need to use TRIG to solve for a side)
40o
6 ft
9 ft
110o

8. Example—find the perimeter
Find the radius of a circle with a circumference of mm.