Answer:
area of larger circle : 9π = 28.27
area of smaller circle: 4π = 12.57
area of shaded region: 15.71
Step-by-step explanation:
area of a circle = πr^2
I think these are right i dont know tho
0
21.25
diagonal is 21.25
the area is 216.75
the perimeter is 59.5
4.
You are so smart. 5 - (-7) = 5+7 which = 12. 12/3 is 4.
