Question

The lenght,breadth,height of cuboid are15cm,10cm and 20cm find its surface area

Answer 1

Surface area of cuboid = 2 (lh + bh + lb)

= 2 [(15)(20) + (10)(20) + (15)(10)

= 2 [300 + 200 + 150]

= 2 [650]

= 1300 sq.cm

= 1300/10000 sq.m

= 0.13 sq.m

Hope this helps! :)

Answer 2

Given: Length=15 , Breadth=10 , Height=20

surface area of cuboid=2(LB+BH+LH)

SA OF CUBOID=2 (15*10 + 10*20 + 15*20)

=2 (150+200+300)

=2 (650)

= 1300 sq cm