It would be "las" because sillas is feminine and it is plural. Las sillas
Answer:
Kilogram (kg), basic unit of mass in the metric system. ... A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 kg, exactly.
Explanation:
In the fifteenth century, I believe
