Spherical geometry is a form of geometry.
a. euclidean.
b. plane.
c. non-euclidean.
d. archimedean

The correct answer is:

C) non-Euclidean.

Explanation:

Euclidean geometry is what we typically study in high school. We study two-dimensional geometry as well as some three-dimensional shapes. However, spherical geometry is not included in this.

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

irrational, cannot