Consider the following statements.struct circleData{ double radius; double area; double circumference;};
circleData circle;Which of the following statements is valid in C++?
A. cin >> circle.radius;
circle.area = 3.14 * radius * radius;
B. cin >> circle.radius;
circle.area = 3.14 * circle.radius * radius;
C. cin >> circle;
D. cin >> circle.radius;
Answer: D
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