Question

the perimeter of rectangle piece of paper 13 cm it if wibth easy 2.5 centimetre then find its length (in centimetres)​

Answer 1

Perimeter of a Rectangle = 2(l+b)

13 cm = 2(l+b)

13cm = 2(l+2.5)

13 - 2.5 = 2l

10.5 = 2l

10.5 / 2 = l

5.25 cm is length

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Answer 2

Step-by-step explanation:

perimeter = length+breadth+length+breadth

So 2.5 + 2.5 = 5cm

= width = 2.5cm

= width = 2.5 cm

=length = 13-5 = 8cm

= 8 divided by 2

= 4cm