I need help with these couple questions so I can make some question up to help tutor my sister.. thanks?

1. What is the measure of each central angle in degrees in question a and b.





a. a small pizza that is 10 in. in diameter and has 4 slices.


b. a large pizza that is 14 in. in diameter and 10 slices.





2. Arc length for each slice in inces for a and b.





a.a small pizza that is 10 in. in diameter and has 4 slices.


b. a large pizza that is 14 in. in diameter and 10 slices.





c. Area of each slice ( sector) of the pizza answer for both a and b also.





a.a small pizza that is 10 in. in diameter and has 4 slices.


b. a large pizza that is 14 in. in diameter and 10 slices.





4.What is the difference between the areas of a slice from one pizza compared to a slice from the other pizza?