Question

A rectangular wire of length 40cm and breadth 20cm is bent in the shape of a square. The side of the square is *

10 cm

20 cm

30 cm

40 cm

​

Answer 1

Answer:

10 centimeter

Step-by-step explanation:

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Answer 2

The side of the square is 30 cm when A square-shaped bend is made in a rectangular wire with dimensions of 20 cm in width and 40 cm in length.

Given that,

A square-shaped bend is made in a rectangular wire with dimensions of 20 cm in width and 40 cm in length.

We have to find what is the side of the square is.

We know that,

The rectangular is 40 cm long (l)

The rectangle is 20 cm wide (b)

The rectangular wire needs to be bent into a square shape.

So, the perimeter will not be changed.

Now,

Perimeter of rectangular is equal to perimeter of the square

2( l + b) = 4 × a  

2(40+20) = 4×a  

2(60) = 4 × a  

120 = 4× a  

a = 30cm

Therefore, The side of the square is 30 cm when A square-shaped bend is made in a rectangular wire with dimensions of 20 cm in width and 40 cm in length.

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