3 square inches = 19.35 square centimetres.
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8" x 12" 8 square inches bigger than a piece of standard notebook paper
(16" x 16") = 256 square inches(256 square inches) / (144 square inches per square foot) = 1 and 7/9 square feet
1 square metre is 1550 square inches.
To determine how many 1-inch marbles can fit in a square foot, we first need to convert the square footage to square inches. Since there are 144 square inches in a square foot (12 inches x 12 inches), we can fit 144 marbles with a diameter of 1 inch in a square foot. This calculation assumes the marbles are arranged in a perfect grid without any gaps between them.
The area of a square whose perimeter is 36 inches is: 81 square inches.