Answer:
103.62
Explanation:
a = πr^2
Area large circle
a = π7²
a = π(49)
a = 153.86
Area inner circle
a = π4²
a = 50.24
Area shaded = large cicle - inner circle
a = 153.86 - 50.24
a = 103.62
5.1m questions
6.7m answers