Answer:
Step-by-step explanation:
r = 12 cm
Theta = 62
Length of arc = 

= 12.98 cm
V=(pi)(2r^2)(h)
V=4(pi)(r^2)(h)
V=4(100 aka the old volume)
V=400cm^3
Answer:
Step-by-step explanation:
If you add up all of the money he made and divide it by the amount he made via tips, you will see that the percent tip he received was 16%