A 1 B 2 C 3d4e5f6g7h8i9j10k11l12m13 2024 Ford

A 1 B 2 C 3d4e5f6g7h8i9j10k11l12m13 2024 Ford. The measurement in a particular direction is the dimension. Convert letters to numbers in various formats.

A1, 1, 3, b2, 1, 2, c 5, 2, 6 are the position vectors of the vertices of a triangle abc. If a = 1, 2, 3, 4, b = 2, 5, and c = 3, 4, 7, determine a × b;