Question

Coplanar circles that have the same center, but not necessarily the congruent radii are called?

Answer 1

Coplanar circles that have the same center, but not necessarily the congruent radii are called concentric circles.

How to complete the blank?

From the question, we have the following statements:

• The circles are coplanar i.e. they are on the same plane
• They have the same circle
• The radii of the circles are different

As a general rule, circles that have the above features are referred to as concentric circles.

This is so because concentric circles have the same center, and they do not intersect

Hence, coplanar circles that have the same center, but not necessarily the congruent radii are called concentric circles.

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