Get insightful responses to your questions quickly and easily on IDNLearn.com. Join our platform to receive prompt and accurate responses from experienced professionals in various fields.
Answer:
The answer is A
Step-by-step explanation: if 4 is the radius you take 4 and square it
(4 times 4= 16)
16 times pie
(in this case 3.14)
equals: 50.24