Question

a box is in the form of a cuboid whose external measures are 8cm ×3cm×4cm. find its total surface area.​

Answer 1

Answer:

Solution,

Length(l)=8cm

breadth(b)=3cm

height(h)=4cm

T.S.A=?

We have,

T.S.A of cuboid=2(lb×bh×lh

=2(8cm×3cm+3cm×4cm+8cm×4cm)

=2(24cm square+12cm square+32cm square)

=2(68cm square)

= 136cm square.