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20 May, 15:37

Owen's birthday cake is a rectangle 12 inches long and 9 inches wide.

It is frosted on the top and on all four sides.

Owen cuts the cake into 3-inch squares.

What is the number of pieces frosted on three sides and the number of pieces frosted on one side?

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Answers (2)
  1. 20 May, 15:45
    0
    4 pieces with 3 sides

    2 pieces with only the top

    Step-by-step explanation:

    First we need to determine how many squares

    9/3 = 3

    12 / 3 = 4

    3*4 = 12

    There will be 12 pieces of cake

    There are 4 corners

    They will have frosting on the top and two sides for 3 total sides

    There will be 2 pieces will be in the middle with only the top frosted
  2. 20 May, 16:05
    0
    Three sides: 4

    One side: 2

    Step-by-step explanation:

    Three side frosted would be at the vertices,

    So 4

    One side would be the ones in the centre, not edges

    (12-2 (3)) * (9-2 (3))

    6*3

    18/3² = 2
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