Pursuant to Village Law § 7-708, if a protest against the proposed amendment is presented to the Village Board duly signed and acknowledged by a) the owners of 20% or more of the area of land included in the proposed amendment, b) the owners of 20% or more of the area of the land immediately adjacent extending 100 feet therefrom, or c) the owners of 20% or more of the area of land directly opposite thereto extending 100 feet from the street frontage of such opposite land, the amendment shall not be passed except by the favorable vote of at least 3/4 of the members of the Village Board.