Answer:nobody cares if you think you are a bad kid or not pal
Step-by-step explanation:
Sa=4pir^2
100pi=4pir^2
divide both sides by 4pi
25=r^2
sqrt both sides
5=r
radius=5cm
Answer:
D 30 but im not sure i would go with D tho
Step-by-step explanation:
it might also be a but im not sure sorry