Which property is true for all parallelograms?

Prepare for your Leaving Certificate Mathematics exam with a comprehensive practice test featuring key definitions. Use flashcards, multiple choice questions, and detailed explanations to ensure success and mastery of fundamental math concepts.

Multiple Choice

Which property is true for all parallelograms?

Explanation:
Opposite sides are parallel. In a parallelogram, both pairs of opposite sides run parallel to each other, which is the defining feature of this shape. This parallelism is true for every parallelogram, making that statement universally applicable. The other properties only hold in special cases: not all parallelograms have right angles (that’s only in rectangles), diagonals are not generally perpendicular (only in a rhombus or other special cases), and diagonals are not generally equal in length (they are equal in rectangles). So the always-true property is that opposite sides are parallel.

Opposite sides are parallel. In a parallelogram, both pairs of opposite sides run parallel to each other, which is the defining feature of this shape. This parallelism is true for every parallelogram, making that statement universally applicable. The other properties only hold in special cases: not all parallelograms have right angles (that’s only in rectangles), diagonals are not generally perpendicular (only in a rhombus or other special cases), and diagonals are not generally equal in length (they are equal in rectangles). So the always-true property is that opposite sides are parallel.

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