Question

How much more will be needed to make a rectangle 7 cm long and 4cm wide

Answer 1

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Dimensions of Rectangle

= Length = 7cm

= Breadth = 4cm

Area,

= Length × breadth

= 7cm × 4cm

= 21cm

The wire needed to make the rectangle is 21cm.

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Answer 2

dimensions of the rectangle = 7cm, 4cm

as we know, length of wire required = perimeter of the rectangle

therefore,

perimeter = 2(l+b)

=> 2(7+4)

=> 2(11)

=> 22 cm should be the length of wire

#sumedhian ❤❤