Question

Total surface area of a cuboid whose length=2cm , Breadth=7cm and height=9cm is​

Answer 1

Answer:

190 cm²

Step-by-step explanation:

Total surface area of cuboid = 2 ( Lb + bh + hL)

= 2 ( 2cmx7cm + 7cmx9cm + 9cmx2cm)

= 2 ( 14cm² + 63 cm² + 18 cm²)

= 2 ( 95 cm²)

= 190 cm²