Surface Area Nets & Rectangular Prisms. Rectangular Prisms Made of 6 sides Top & Bottom Front & Back...
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Surface Area Nets & Rectangular Prisms
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Transcript of Surface Area Nets & Rectangular Prisms. Rectangular Prisms Made of 6 sides Top & Bottom Front & Back...
Use the Formula
2(l • W) + 2(W • h) + 2(l • h)
or SMILE!!
Length x Width x Height
To find the surface area
Smiley Face Method
Multiply l x w
Multiply w x h
Multiply l x h
Length x Width x Height
This gives you the area ofthe Topthe Sidethe Front
ADD ‘EM UP!!!
You’re Not Done Yet!Since a box has six sides and you’ve only found three sides, you have to double your answer.