Question

4) circles of equal ____ are congruent circles. ​

Answer 1

answer:

Circles of equal radius are congruent circles.

Answer 2

Circles of equal radii are congruent circles.

Explanation:

• The word 'congruent' means 'identical in form'.

• So, for circles to be congruent, they must be identical in form and this is possible only when their radii are equal in length.

• The word 'radii' is the Plural for the word 'radius'.

• Refer to the attached image.

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