Question

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Answer 1

Answer: C

Step-by-step explanation:

When you are finding the area, the formula is A= Pi R^2.

The radius is half of the diameter. To get a diameter of 6, you have to multiply 3 by 2.

Answer 2

Answer:

C

Step-by-step explanation:

the area of a circles' expression is A = πr² this means that it is the radius to the second power multiplied by π. To find the radius, you have to find the diameter divided by two which is 3. This put into the expression is A = π3² or A = π(3)².