Question

. Which of the following triangle cannot be constructed?
1 ΔABC with side 4cm, 5cm and 6 cm 2 ΔDEF with DF=7.2cm,∠D=110o and ∠F=80o
3 ΔPQR with PQ=8cm, ∠P= 60o and ∠R= 90o
4 ΔXYZ with XY= 7cm, YZ= 3cm and ∠Y=120o​

Answer 1

3.∆pqr with PQ=8cm,angle p =60°and angle R =90°