# Math

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1. the mystery shape has fawer than 3 lines of symmetry. 2. it has at least 1 pair of perpendicular sides. 3. it has at least 1 pair of parallel sides. 4. it has less than 1 obtuse angle.

• Math -

Try 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 -

I don't understand what you mean by try a rectangle with adjacent sides of different length.

• Math -

"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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