Question

Lana is putting lace trim around the

border of a circular tablecloth. The
tablecloth has a diameter of 1.2 meters.
To the nearest meter, what is the least
amount of lace she needs? Use 3.14 for T.

Answer 1

`1.2 * 3.14`

Explanation:

The ratio of a circumference to its diameter is equal to an irrational number, called pi, roughly equal to 3.14, denoted by symbol

`\pi`

Therefore, knowing the diameter d, the circumference is equal to d*π