Foot to foot or shoulder to shoulder?

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Check below answers in case you are looking for other related questions:
When one comes to the mosque and finds the last row full
Imaam does rukoo' when a person has not finished al-Faatihah

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Related Answers:
Can women pray alongside men with a barrier?
Ruling on praying with these people
If he catches up with the imam when he is bowing, what should he do?
When one comes to the mosque and finds the last row full
Imaam does rukoo' when a person has not finished al-Faatihah

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