Answer: 1. 452.39
2. 28.54
3.50.27
4. 60.28
Step-by-step explanation:
area=[tex]\pi r^{2}[/tex]
12*12=144
144*3.14=452.39
25*3.14=28.54
circumference=[tex]2\pi r[/tex]
2*3.14*8=50.27
2*3.14*10=62.83
