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The top documents tagged [area of octagon]
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area of octagon
Area of Regular Polygons Notice that every regular polygon can be divided into congruent triangles. The number of triangles a polygon can be divided into.
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Surface Area: Add the area of every side. = ( ½ 10 12) + 2( ½ 18 8) + ( ½ 9 8) = (60) + 2(72) + (36) = 60 + 144 + 36 = 240 u 2 12 SA = + 2 + 10 ( ) 18.
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Area of Regular Polygons
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