Area of circle = pi * radius square

1. radius = 4 feet

= pi * 4 ^2

= pi * 16 = 3.14 * 16 = 50.24

2. radius = 14/2 = 7 feet

= pi * 7^2 = pi * 49

= 153.86

3. 5 cm total radius

= pi * 25 = 25 * 3.14

similarly remaining question can be solved.

Please select the answer best if you want further assistance please ask.

Thanks & regards

thank you bro and for # 3 & 4 ?

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