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Mathematics

If the diagonals of a square ABCD intersect each other at O, then △OAB is

  1. an equilateral triangle

  2. a right angled but not an isosceles triangle

  3. an isosceles but not right angles triangle

  4. an isosceles right angled triangle.

Rectilinear Figures

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Answer

Since, diagonals of square bisect each other at 90°.

If the diagonals of a square ABCD intersect each other at O, then △OAB is? Rectilinear Figures, ML Aggarwal Understanding Mathematics Solutions ICSE Class 9.

In △OAB,

AO = OB and ∠AOB = 90°.

Hence, it is an isosceles right angled triangle.

Hence, Option 4 is the correct option.

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