Why do Christians believe it was necessary for Jesus to die on the cross? Thabiti Anyabwile, a Muslim convert to Christianity, gives a helpful explanation:

My Muslim friend, other than Qur’an 4:157, is there a reason why you do not believe Jesus died on the cross? Christians, are you aware of other helpful explanations as to why Jesus had to die on the cross?

To learn more see:

Jesus’ Death on the Cross and the Quran