Respuesta :

1. The circumference if a circle can be found by multiplying pi (n = 3.14) by the diameter of the circle.

2. If a circle has a diameter of 4, it’s circumference is 3.14*4 = 12.56.

3. If you know the radius, the diameter is twice as large.

Answer:

the formula to calculate the circumstance is c= 2πr