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14-11-2020
Mathematics

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The area of a square is 1,521 cm2. Find the length of a side of the square by
prime factorisation method.

Respuesta :

sqdancefan sqdancefan

14-11-2020

9514 1404 393

Answer:

39 cm

Step-by-step explanation:

1521 = 3·3·13·13 = (3·13)² = 39²

The length of the side of the square is 39 cm.

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