1. USING FORMULAS IN GEOMETRY Geometry H2 (Holt 1-5)K. Santos

2. Area Area (A) is the number of nonoverlapping square units of a given size that exactly cover the figure

3. Area of Rectangle Area = product of its base and height b A= bh h 3 ft 5 ft

4. Area of a Square Area = product of its base and height A= bh 6 in

5. Area of a Triangle

6. Example—finding a side

7. Perimeter Perimeter (P) of a plane figure is the sum of the side lengths of the figure

8. Perimeter Formulas Rectangle:l P = 2l + 2w w Square: P = 4s s Triangle: P = a + b + c a b c

9. Circle Formulas 8 ft Area: Circumference: