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4 votes
Which of the following is the correct plural form of radius? Select all that apply.

A. radiuses
B. radius's
C. radii
D. radia

User Danirod
by
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2 Answers

6 votes

Answer:

c; radii

Step-by-step explanation:

User Benjamin Wulfe
by
7.4k points
2 votes
The plural form of the word radius is radii.

I know it sounds weird, but this is correct. Adding -s at the end of the radius would make the word grammatically incorrect. This is because the word radius itself is a Latin word.


- Marlon Nunez
User Jay Mungara
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7.7k points