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13 April, 17:27

A square pyramid has a base area of 64 ft2. The pyramid's total surface area is 224 ft2.

What is the area of each triangular face?

160 ft2

32 ft2

53 1/3 ft2

40 ft2

+4
Answers (2)
  1. 13 April, 17:43
    0
    40 ft^2

    224=64+4c

    160=4x

    x=40
  2. 13 April, 17:54
    0
    The area of each triangular face is (224-64) / 4 = 40 (ft2)

    Explanation:

    Total surface area = Area of Base + Area of triangular face x 4
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