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Which set of given data is ENOUGH to construct a unique quadrilateral?

Class 8Constructing QuadrilateralsGeometry
  • A4 sides only
  • B4 angles only
  • C4 sides and 1 diagonal
  • D2 sides and 1 angle

Step-by-Step Solution

Four sides alone give infinitely many quadrilaterals (not rigid). Four angles fix only shape, not size. Five measurements such as 4 sides + 1 diagonal fix it uniquely.
Answer: C) 4 sides and 1 diagonal

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