1. Surface area …cont’d Square/Kansakar

2. iwbat  Find surface area of 3d Solids in more than one way

3. Do now  What is the circumference of each circle? (in terms of pi) 4cm 11cm 6cm 5cm

4. Try this  What is the AREA of each circle? (in terms of pi) 4cm 11cm 6cm 5cm

5. Think  See if you can break the formulas for surface area into parts.  What part represents the area of the base(s)?  What part represents the lateral surface area?  Wh at does B and P represent?  Why do you think the use B and P?