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If you put four 9-inch square boards together to make a bigger square, what would be the area of the new larger board in square feet?
14 years ago

Answers

PsyDAG
How many boards are you using?

4 boards = 18 inches * 18 inches

144 square inches = 1 square foot.

9 boards = (27 * 27) square inches.

16 boards = ?
14 years ago

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