Question

16. Two cubes of edge 6 cm are 1 point
fixed together. The TSA of the
new solid formed is:
O (A) 432 sq. cm
O (B) 360 sq. cm
O (C) 216 sq. cm
O (D) 288 sq. cm​

Answer 1

Answer:

360 sq.cm

Step-by-step explanation:

since,two cubes of edge 6cm is joined then a cuboid is formed.

then cuboid's length=6cm,breadth=12cm,width=6cm

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

=2(6×12+12×6+6×6)

=2(72+72+36)

=2(180)

=360 sq.cm