1. ∠QPD = 135°
2. If CP = m cm and PD = n cm, then m and n are the roots of the quadratic equation x² – 10x + 1 = 0.
3. The ratio of the area of triangle OPR to the area of triangle OMP is 1 : 2√2.
Select the correct answer using the code given below.
1 and 2 only
2 and 3 only
1 and 3 only
1, 2 and 3
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