Question

to find
of cuboid whose
Surface area
length
7 decametres
breadth : s decametres
height
25 centimetres​

Answer 1

25 cm=0.025 dam .so,Surface Area =2(lh +bh+lb)

=2(7×0.025 +5×0.025+7×5)

=2×1412/40

=353/5=7.6 dam²=7600 m²