Please help i have one more chance on this HELPPPPP!!!!!!

Which describes the cross section of a square prism that passes through vertices A, B, and C?

a triangle with three equal sides, all measuring 8 inches
a triangle with three equal sides, all longer than 12 inches
a triangle with only two equal sides; one side measures 8 inches, and two sides measure 12 inches
a triangle with only two equal sides; one side is longer than 8 inches and two sides of equal length that are longer than 12 inches