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# 005 volume of shperes

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### Transcript

• 1. Geometry Drill 5/6/13• Find the area of eachfigure to the nearest tenthRegularHexagon&Pentagon4. 5cm4. 5 cm3.9 cm 3.1 cmTurn In CR’sbefore the Bell Rings!Pass out papersYou have 10 minutes tofinish work from Friday
• 2. Geometry Drill 5/6/13• Find the area of eachfigure to the nearest tenthRegularHexagon&Pentagon4. 5cm4. 5 cm3.9 cm 3.1 cm
• 3. Geometry Objective•STW calculatethe surface areaand volume ofspheres.
• 4. Real World• manufactures make soccerballs with a radius of 11 cm bysewing 20 regular hexagonsand 12 regular pentagons.Approximate the surface areaof soccer ball. Use the drillanswers for the area of thepentagon and hexagon
• 5. Real World•Find the Surface areaof the soccer ballusing our new formula.Is there a differenceand if so why?
• 6. SA of spheres24 rSA 
• 7. Volume of spheres334rV 
• 8. Find the SA and Volume ofeach• Billiard Ball Diameter 2.25inches
• 9. Find the SA and Volume ofeach• Billiard Ball Diameter 2.25inches• Basketball Circumference of29.5 inches
• 10. Find the SA and Volume ofeach• Billiard Ball Diameter 2.25inches• Basketball Circumference of29.5 inches• Softball ( slow pitch )Circumference 12 inches