1. Chapter 4 area, surface area, volume

2. Review Quiz Take out a sheet of loose leaf paper and put your name on it. There will be 4 review questions. Put your answers on the sheet of paper We will grade them as a class after the quiz is over

3. 1. What is the area of this trapizoid? 2. What is the surface area of this prism? W=5 ft D= 7 ft L=12 in

4. 3. What is the volume of this cone H=7 ft r=45 cm l=25 4. What is the surface area of this pyramid?

5. Answers! 1. 34 cm 2. 35 ft cubed 3. 5.11 ft cubed 4. 367,840 units squared

6. Area Formulas Triangle? Rectangle? Trapezoid? Circle? Pentagon? Lets match these correctly 2PiR 1/2 P*A a(b1-b2)/2 B*H 1/2 B*H

7. Unit conversion Given that there are 2.54 cm in an inch. What is the formula to convert ft to cm? What is the formula to convert cm to ft?

8. Unit conversion Ft=cm/30.48 Cm=30.48*ft Show how to get this on board

9. Homework p. 67 2-30 even

10. Area- A quick review Triangle CircleSquare

11. Surface area? The sum of the area’s of each side of the shape. The answer is given in units squared

12. Prisms Trapezoidal PrismRectangular Prism

13. Homework p.71 1-45 by threes (1,3,6,9....45)

14. Surface area of cylinders and cones 2 π r2 + 2 π r h πr2 + πrl

15. Volume If area is measured in units squared, what is volume measured in? Where does this extra unit come from?

16. Volume formulas

17. Homework p. 77 12-44 even