Answer:
Sa=2×[(6cm×3cm)+(6cm×4cm)+(3cm×4cm)
Sa=2×[(18cm²)+(24cm²)+(12cm²)]
Sa=2×54cm²
Sa=108cm²
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Answer:
Sa=2×[(6cm×3cm)+(6cm×4cm)+(3cm×4cm)
Sa=2×[(18cm²)+(24cm²)+(12cm²)]
Sa=2×54cm²
Sa=108cm²