Vertical walls are important to ensure that buildings - particularly older ones - stay standing up. And a wall that is vertical is at right angles to the floor.
Having said that, my children went to a school where the floorplan of each classroom was hexagonal. Furnishing it was a nightmare but it is an innovative design. An igloo probably has no right angles but most other building do.
Chat with our AI personalities
Yes, the 4 inside angles are right angles
It has 6 angles, none of which are right angles.
4 right angles, no other angles.
No, the angles aren't right angles.
"How are straight angles different from right angles?" Is this a statement?