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Area, SMB-012

Find the surface area of the solid below where all measurements are in metres.  (2 marks)
 

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\(104\ \text{m}^2\)

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\(\text{Area (front side)} = (4 \times 2) + (2 \times 2) = 12\ \text{m}^2 \)

\(\text{S.A.}\) \(=2 \times 12 + 2 \times (5 \times 4) + 4 \times (5 \times 2) \)  
  \(= 24 + 2(20) + 4(10) \)  
  \(=104\ \text{m}^2\)  

Filed Under: Area and Surface Area Tagged With: num-title-ct-corea, smc-4234-40-SA (prisms)

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