Note A3-5-9 — Chapter III
John J. (John Joseph) Lalor translation
If we suppose three countries, each in the form of a square: A = 1 sq. m., B = 100 sq. m., C = 10,000 sq. m.; there is in A for every mile of boundary ¼ sq. m. of inland country; in B, 2½ in C, 25.