To calculate the circumference of a sphere, you can use the formula 2πr, where r is the radius of the sphere. This means that the circumference is equal to twice the value of pi (π) multiplied by the radius.
To find the volume of a sphere, you can use the formula (4/3)πr³, where r is the radius of the sphere. This means that the volume is equal to four-thirds of pi (π) multiplied by the radius cubed.
To figure out the circumference and volume of a sphere, you will need to know the radius of the sphere. If you do not have the radius, you can measure it using a ruler or other measuring tool. Once you have the radius, you can plug it into the respective formula to calculate the circumference and volume.
I hope this helps you understand how to figure out the circumference and volume of a sphere. Let me know if you have any further questions.