# Area and Volume - Gears EdS

Area, Volume and Surface Area The concepts of this lesson will allow you to: Find the Perimeter of an object Find the Area of an object Find the Volume of an object Find the Surface Area of an object Geometry Terms Discuss and Review Area

Volume Perimeter Prism Parallelograms Surface Area Perimeter and Area of Basic Shapes s

l Perimeter = 4s or s s+s+s+s w 2(l+w) or Area = s2

P = s1 + s2 + s3 s h b A = bh P = 2l+2w or l+w+l+w A = lw

r C = 2r = d A = r2 Volume of Solids V = lwh V = s3 s s s

h l w h V = r h 2 r

r V = (4/3)r3 Surface Area Surface area is the area of an objects external layer. Use the BattleBot Ankle Biter as an example. We will look at its basic external case, respectively. (Measurements are estimations) Ankle Biter Example 13

12 10 Use Area formulas to calculate the SA of Ankle Biters shell. = 994.8 sq inches NOTE: Break it down into smaller sections when calculating the area. Review and Questions

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