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Marissa was decorating her room .she arranged 63 same size picture tiles on a wall in the shape of a rectangle.which are possible arrangements of the picture tiles ?

Respuesta :

21 by 3 because 63÷3=21
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Answer:

The number of the row could be:  1,3,7,9,21,63

Step-by-step explanation:

There are  63 same size picture tiles

The area of a rectangle is  A = l*w, where:

  • l is the length
  • w is the width

Assume the area of each picture is 1 square unit, so the total are of the wall filled with 63 picture is 63

So to possible arrangements of the picture tiles are factors of 63, we have:

  • 63 = 7 × 9
  • 63 = 3 × 21
  • 63 = 63 × 1

The number of the row could be:  1,3,7,9,21,63

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