# 2 cuboid boxes of 5cm each are attached with their surface to form a new box what is tsa of new box​

2 cuboid boxes of 5cm each are attached with their surface to form a new box what is tsa of new box​

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$$\huge{\bold{\underline{SoluTioN:-}}}$$

$${\bf{Given :}}$$

$$\implies$$ cuboid boxes of 5 cm.

$${\bf{Find :}}$$

$$\implies$$ T.S.A of new box = ?

$${\bold{\red{↦}}}$$The dimensions of the cuboid so formed are as under:

length $$\implies$$5cm

breadtn $$\implies$$5cm

height $$\implies$$5cm

$${\bold{\red{↦}}}$$Surface area of the cuboid :

$${\bold{\red{↦}}}$$ 2(lb + bh + hl)

↦2(15×5+5×5+15×5)cm^2

↦2(75+25+75)cm^2

$${\bf{Required\: Answer :}}$$

2. ## ______________________

$$\huge\color{cyan}\boxed{\colorbox{black}{✿Solution✿}}$$

$${\bf{Given :}}$$

$$\implies$$ cuboid boxes of 5 cm.

$${\bf{Find :}}$$

$$\implies$$ T.S.A of new box = ?

$${\bold{\red{↦}}}$$The dimensions of the cuboid so formed are as under:

length $$\implies$$5cm

breadth $$\implies$$5cm

height $$\implies$$5cm

$${\bold{\red{↦}}}$$Surface area of the cuboid :

$${\bold{\red{↦}}}$$ 2(lb + bh + hl)

↦2(15×5+5×5+15×5)cm^2

↦2(75+25+75)cm^2

### ↦350cm^2 ✔︎

T.S.A of new box is 350cm^2.