Answer:
1. 50.24 sq. unit
2. 28.26 sq. unit
3. 78.5 sq. unit
4. 63.585 sq. unit
5. 153.86 sq. unit
6. 12.56 sq.unit
7. 19.625 sq. unit
8. 28.26 sq. unit
Step-by-step explanation:
follow the formula pir^2
1. 3.14(4)^2
2.3.14(3)^2
3. 3.14(5)^2
4. 3.14(4.5)^2
5. 3.14(7)^2
6. 3.14(2)^2
7. 3.14(2.5)^2
8. 3.14(3)^2
