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These problems and puzzles will put your deductive reasoning ability to the test and reinforce your mathematical skills. See more

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By tracing the edges, we can calculate that the perimeter of figure 1 is 4 units, and the perimeter of figure 2 is 12 units. What is the perimeter of figure 3?

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A triangle, a square, a hexagon, an octagon, and a circle all have the same perimeter. Which one has the smallest area?

**Note:** All of the polygons are regular.

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**True or False?**

If \(x\) and \(y\) are real numbers such that \( \sqrt{x} = \sqrt{y} \), then

\[ x = y. \]

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