Question

Choose the correct plural noun. Ayman measured the ______ of hundreds of circles.

Choose 1 answer:

(Choice A)
A
rades

(Choice B)
B
radii

(Choice C)
C
radien

Answer 1

hey sister it’s answer choice B

Answer 2

The plural form of radius is radii.

So, I think your answer should be Choice B, radii.

I hope this helps :)