please answer the 2 question
l will mark as brainiest

Answer:
1. A=πr2=π·4.62≈66.4761
A≈66.48
2. A=πr2=π·22≈12.56637
A≈12.57
please mark as brainiest
Answer:
1. 66.48
2. 12.57
Step-by-step explanation:
Formula is A = ㅠr^2
The radius is that half line :))