Q 1780156017.     Suppose chords `AB` and `CD` of a circle intersect at
a point `P` inside the circle. Two right angled
`DeltaA' P' B'` and `DeltaD.C'Q' D'` are formed as shown in the
figures below such that `A' P' = AP, B' P' BP,
C'Q' = CP, D'Q' DP` and :`A' P' B' = 90^0`
`=angleC'Q'D'`.


Which of the following statements are not
correct?


1. `DeltaA' P' B'` and `DeltaC' Q D'` are similar triangles but need
not he congruent.
2. `DeltaA'P' B'` and `DeltaC' Q' D'`are congruent triangles.
3.`DeltaA' P'B'` and `DeltaC'Q' D'`arc triangles of same area.
4. `DeltaA' P' B'` and `Delta.C' Q' D'` are triangles of same
perimeter.


Select the correct answer using the codes given below.