Question

Area of square base of cubid is 16 sq unit
and its height is 5 unit then its total
surface area is
a)56 sq.unit b) 112 sq.unit
c) 80 sq unit d) 28 sq unit​

Answer 1

Answer:

Here ,l=4units,b=units,h=5units

TSA of cuboid=2(lb+bh+hl)

=2(4×4+4×5+5×4)

=2(16+20+20)

=2×56

=112sq. unit