1. Perimeter, Circumference, Area of Rectangle and Square
Unit 8: Area
Perimeter, Circumference, Area of Rectangle and Square

2. Perimeter, Circumference, Areas
Perimeter: Add up all the sides!

3. Area of a Rectangle
Area = Length * Width (A=L*W) L W

4. Area of a Square s

5. Area of a Triangle
In a right triangle only -- the height and base are the legs of the right triangle!

6. Area of a Circle r

7. Circumference of a Circle – “Perimeter” of a circle

8. Ex. 1 Find area and perimeter
28 cm
16 cm

9. Ex. 2 Find the area and Circumference
14 cm

10. Area of a Parallelogram
Area = Base * Height (A=bh)

11. The area of a region is the sum of its non-overlapping parts
Postulate 1-10
The area of a region is the sum of its non-overlapping parts

12. Find at least 2 different ways to fin the area of the figure:

13. Ex 1 Ex 2

14. Ex Ex 4.

16. Homework
worksheet