Two circles have the same center but different radii. which of the following is true about the circles? a. they are not similar because they have different radii. b. they are congruent because they have the same center. c. they are congruent because they have the same shape and size. d. they are similar because they are of the same shape but different size.

The answer is D.

Step-by-step explanation:

Since the circle have the same center, you can assume that they are the same shape and therefore, similar. But since they have different radii, they will be similar due to different sizes.

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