Aroom has an area of 121 ft squared for carpeting is only sold in meters squared how much carpeting is needed to carpet the room weggy

Statement: if two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent? defined term postulate theorem undefined term

Can someone me and do the problem plz so i can understand it more better

Acircle has a circumference of 28.36 units what is the diameter of the circle