Question

8. The square cover for a CD is of area 171.61 cm². What is length of it's side ?​

Answer 1

13.1 cm

area of sq is = side × side

so....

side^2 = 171.61

side = √ 171.61

= 13.1

hence length of its side is 13.1 cm

I think it is correct...

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Answer 2

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