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September 21, 2014

September 21, 2014

Posted by **Rayna** on Saturday, March 19, 2011 at 12:25am.

- Math -
**MathMate**, Saturday, March 19, 2011 at 6:11pmTry a rectangle with adjacent sides of different length.

1. the mystery shape has 2 (fewer than 3) lines of symmetry.

2. it has 4 (at least 1) pairs of perpendicular sides.

3. it has 2 (at least 1) pair2 of parallel sides.

4. it has zero (less than 1) obtuse angle.

- Math -
**Rayna**, Sunday, March 20, 2011 at 5:36amI don't understand what you mean by try a rectangle with adjacent sides of different length.

- Math -
**MathMate**, Sunday, March 20, 2011 at 7:18am"Try" because there may be more than one answer to this question. You have to be convinced that this is the right answer.

It may sound confusing, but the definition of a square is a rectangle with adjacent sides equal, therefore a square is a rectangle, which means that a rectangle*can*have adjacent sides equal (and becomes a square).

Think of the number of lines of symmetries of a square, and that of a rectangle (with adjacent sides of different lengths). See which one fits the first requirement.

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