Xiaoming's dining table is round. Mother wants to match the dining table with a square tablecloth. The diameter of the table is 1.5 meters and the table is high 1.2 meters, to make a square tablecloth

Xiaoming's dining table is round. Mother wants to match the dining table with a square tablecloth. The diameter of the table is 1.5 meters and the table is high 1.2 meters, to make a square tablecloth

The answer to this question is that the diagonal length of the square tablecloth is: 1.5 + 1.2 * 2 = 3.9