The answer is C you dived the circumference by 2 and use the formula for the area of a circle which is A = π × r^2
Solving radical equations are different because you would want to get everything in the equation to rational numbers.
Extraneous solutions arise when you manipulate the equation. After manipulating if a solution is found that can not satisfy the original equation(s).
Refer to the attached for step by step explaination.
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Answer:
B. 30.526
Step-by-step explanation:
Just subtract.
58.20
-27.674
30.526