Question

Find the missing number.

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Answer 1

Step-by-step explanation:

Answer:-

Given that Cuboidal Tin box has dimentions .

Concept:-

Application of TSA or Total Surface Area.

Let's Do!

Given that length is l.

Given that breadth is b.

Given that height is h.

$\boxed{\sf{ TSA \ Cuboid = 2(lb+bh+hl)}}$

$\boxed{\sf{ TSA \ Cuboid = 2(lb+bh+hl)}}$ Same, as dimentions given are also same.

Now, we need 10 such boxes. So, we will multiply it with 10.

$\boxed{\sf{ TSA \ Cuboid = 2(lb+bh+hl) \times 10}}$

$\boxed{\sf{ TSA \ Cuboid = 20(lb+bh+hl)}}$ is the required answer.

More to Know:-

CSA of a Cuboid is $\sf{2(l+b) \times h}$

Volume is $\sf{l \times b \times h}$

Here, l, b and h are same.