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# Geo May 20, 2009

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• 1. HW: pg. 807 #6, 7, 9­15, 22­23
• 2. May 20, 2009 Find the value of x and y. 197o xo o 58o y
• 3. Surface Area vs. Volume
• 4. Areas associated with 3­D Solids Lateral Area: Area of the side rectangles  combined together. Base Area: Area of the base polygon(s)  or circle(s) together Surface Area: Area of all the surfaces combined; both lateral and base areas
• 5. Surface Area ­ Prisms Base Area: 6 ft Lateral Area: 3 ft 10 ft Surface Area = 2 χ Base + Perimeter χ height
• 6. Surface Area ­ Prisms x B.A. = 27.5 in2 5 in Find the value of x if the  surface area is 155 in2. Surface Area = 2 χ Base + Perimeter χ height
• 7. Surface Area ­ Cylinders 8 m Base Area: 12 m Lateral Area: Surface Area = 2 χ Base + Perimeter χ height
• 8. Surface Area ­ Prisms 6 km 4 km Base Area: Lateral Area: 5 km Surface Area = 2 χ Base + Perimeter χ height
• 9. 11 yd 3 yd
• 10. HW: pg. 807 #6, 7, 9­15, 22­23