Question

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

Answer 1

Heya mate..here is ur answer...hope it helps..

Answer 2

T. S. A of cubiod=(lb×bh×hl)

Here l=20cm

b=16cm

h=14cm

(20×16+16×14+14×20)=824

For 10cubiods it need 824×10=8240