- A(i) and (ii)
- B(i) only
- C(ii) only
- D(iii) only
Step-by-Step Solution
One pair of opposite sides both equal and parallel, i.e. (i) and (ii) together, is sufficient. A single condition alone is not enough.
Answer: A) (i) and (ii)
Three conditions are listed for quadrilateral ABCD:
(i) AB = CD,
(ii) AB is parallel to CD,
(iii) angle A = 90°.
Which smallest set of these is enough to be SURE ABCD is a parallelogram?
Class 9Conditions for a ParallelogramGeometry — Quadrilaterals
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