Question

A cuboidal tin box opened at the top has dimensions 20cm×16cm×14cm. what is the total surface area of the metal sheet required to make 10 such boxes?

Answer 1

Answer:

Surface area of tin=2(l+b)h + (l*b)

=2(20+16)14 + (16*14)=1008+224=1232 cm²

total suface area of ten such boxes= 1232*10=12320cm²

∴metal sheet required=12320 cm²

Answer 2

Answer:

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