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ABCD is a square. X is the mid-point of ...

ABCD is a square. X is the mid-point of AB and Y is the mid-point of BC.
Consider the following statements:
1. Triangles ADX and BAY are congruent.
2. `/_DXA=/_AYB.`
3. DX is inclined at an angle `60^@` with AY.
4. DX is not perpendicular to AY.
Which of the above statements are correct?

A

2, 3 and 4 only

B

1, 2 and 4 only

C

1, 3 and 4 only

D

1 and 2 only

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