find the surface area of a chalk box whose length , breadth and height are 16cm , 8cm and 6cm , respectively.

Answers (1)

solution : Clearly , a chalk box is in the form of a cuboid .

             Hence , l=16cm b=8cm and  n=6cm

              surface area of a cuboid =2(lb+bh+lh)

                                                      =2(16	imes8+8	imes6+16	imes6)cm^2

                                                      =2(128+48+96)cm^2=544cm^2

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