Question

a cubical box having each side 6 cm and another box of same side is joined . find the a) write the name of new figure obtained b) write its length, breadth and height​

Answer 1

Answer:

Step-by-step explanation:

a} The new figure obtained is a cuboid.

b} Here

Length=6+6 cm = 12cm

Breath = 6cm

Height = 6cm

[Note: the height and the breadth doesn't change because the box is same as the old one and it is kept aside so only the length is changed]

Answer 2

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The dimensions of the cuboid so formed are as under:

l= length=15cm,b= breadth=5cm, h= height =5cm

Surface area of the cuboid =2(15×5+5×5+15×5)cm

2

=2(75+25+75)cm

2

=350cm

2

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