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Question
Work out the surface area of the following shape.
Work out the surface area of the following shape.
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Solution
Surface area of the figure
=2[3×1+1×1+3×1]+2[4×1+1×1+4×1]−[1×1+1×1]=2[3+1+3]+2[4+1+4]−[1+1]=2[7]+2[9]−[2]=14+18−2=32−2=30 cm2
Surface area of the figure
=2[3×1+1×1+3×1]+2[4×1+1×1+4×1]−[1×1+1×1]=2[3+1+3]+2[4+1+4]−[1+1]=2[7]+2[9]−[2]=14+18−2=32−2=30 cm2
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