Question

a string is 30cm long then what will be the each side of rectangle
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Answer 1

Answer:

10 cm;5 cm

Step-by-step explanation:

30 cm long string means it is it's perimeter.

Therefore =2(length)+2(breadth)=perimeter of rectangle

=2(10)+2(5)

=(20)+(10)

=30

Hence proved......

By trial and error method