Andrew has aflying disc with a radius of 10 centimeters. what is the circumstance of the disc?

To find out the circumference of a circle, you have to multiply the diameter of the circle with pi.(3.14)

First, to get the diameter of a circle you have to multiply the radius by 2.



The diameter is 20 centimeters.

Then, multiply the diameter by pi.(3.14)



The circumference is 62.8 centimeters. 

There is 240 red cars and there is 400 blue cars because 240/3=80 and 80*5=400