Question

the surface area of a (10cmx4cmx3cm )​

Answer 1

Step-by-step explanation:

10cm×4cm×3cm

40cm×3cm

120cm

I hope this will help you

Answer 2

Given :-

length = 10 cm

breadth = 4 cm

height = 3 cm

Need to find :-

Surface Area

Procedure :-

Surface Area = 2 ( lh + bh + lb )

Surface Area = 2 (10×3 + 4×3 + 10×4 )

Surface Area = 2 ( 30 + 12 + 40 )

Surface Area = 2 ( 82 )

Surface Area = 164 cm²

Conclusion :-

The surface area of the cuboid is 164 cm²