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Square ABCD has diagonal AC = 10 cm, and the diagonals meet at O. What is OB?

Class 9Rectangle, Rhombus and SquareGeometry — Quadrilaterals
  • A5 cm
  • B20 cm
  • C7.07 cm
  • D10 cm

Step-by-Step Solution

In a square the diagonals are equal and bisect each other: BD = 10 cm, so OB = 5 cm.
Answer: A) 5 cm

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