Question

find TSA of a cuboid with length 9cm breadth 7cm and height 4cm

Answer 1

as length breadth and height are 9 . 7. 4... so total surface area is 2( 9*7 + 7×4. + 9 × 4. ) = 127. cm^3

Answer 2

Answer

TSA OF CUBOID = 2(lb+bh+lh)

= 2(9x7 + 7x4 + 9x4)

= 2(63+28+36)

=254cm sq.