Question

A wire is in the shape of square of side 15 cm if the wire is rebent into rectangle of length 12 cm find its breadth​

Answer 1

let breadth be x

area of square = area of rectangle

15×15=12×x

x=15×15/12

x=18.75cm=19cm

Answer 2

perimeter of square =4×side
=4×15
=60cm
so, length of wire=60cm
2(l+b)=60cm
2(12+b)=60cm
24+2b=60
2b=60-24
2b=36
b=36÷2
b=18
therefore breadth of rectangle=18cm
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