Question

A line in Riemann's spherical geometry is called a _____.

A. great circle
B. great line
C. diameter
D. segment

Answer 1

@agent0smith

Answer 2

It took less than 20 seconds to Google the answer.

But thanks for posting, now I need to try to understand what Riemann's spherical geometry is and why it is important.

Answer 3

i googled it and i found nothing

Answer 4

I copied this part of your exact line into a google search

"A line in Riemann's spherical geometry is"

and got the answer for answers.com