alleryA parallelogram has two diagonals of equal length. What must the parallelogram be?
ARectangle
BKite
CRhombus
DTrapezium
Answer & Solution
Correct answer: A. Rectangle
1. Diagonals of a parallelogram are usually unequal.
2. Equal diagonals force all four angles to be right angles.
3. A parallelogram with right angles is a rectangle.
4. A rhombus has perpendicular diagonals, not necessarily equal ones.
_Source: Wikipedia, Rectangle (CC BY-SA 4.0), Rectangle_
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