Suppose chords AB and CD of a circle intersect at a point P inside the circle. Two right-angled triangles A'P'B' and 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' = 900 = ∠C'Q'D' :
Which of the following statements are not correct
- A'P'B' and C'Q'D' are similar triangles, but need not be congruent.
- A'P'B' and C'Q'D' are congruent triangles.
- A'P'B' and C'Q'D' are triangles of same area.
- A'P'B' and C'Q'D' are triangles of same perimeter.
Select the correct answer using the code given below.
- 2 and 3 only
- 1 and 3 only
- 1, 2 and 4 only
- 1,2,3 and 4