1. Ibrahim (AS) sacrifices to Allahuthala as per His command, his son Ismail (AS). Do you know what Quran says about it?

السلام عليكم ورحمة الله وبركاتة     

ﺑِﺴْـــــــﻢِﷲِﺍﻟﺮَّﺣْﻤَﻦِﺍلرَّﺣِﻴﻢ

                  1. Quranic verses about Hajj

Answer:

[37:99] He (Ibrahim [AS]) said, "Indeed, I will go to [where I am ordered by] my Lord; He will guide me.

[37:100] "My Lord, grant me [a child] from among the righteous."

[37:101] So We gave him the good news that he would have a patient son.

[37:102] And when he reached with him [the age of] exertion, he said, "O my son, indeed I have seen in a dream that I [must] sacrifice you, so see what you think." He said, "O my father, do as you are commanded. You will find me, if Allāh wills, of the steadfast."

[37:103] When they had both submitted to God, and he had laid his son down on the side of his face,

[37:104] We called to him, "O Ibrahim (AS),

[37:105] You have fulfilled the vision." Indeed, We thus reward the doers of good.

[37:106] Indeed, this was the clear trial.

[37:107] And We ransomed him with a great sacrifice,

[37:108] And We left for him [favorable mention] among later generations:

[37:109] "Peace upon Ibraham (AS)."

[37:110] This is how We reward those who do good.

[37:111] Indeed, he was of Our believing servants.

الحمدلله