Because 90 degrees is a right angle
because if you want to be a framer you have to make sure that the walls are at 90 degree angles
geometry
Geometry is very important because you practically see it everyday. Everything is geometry. Humans are geometry. planets are geometry. If you don't really understand how much geometry is used and important, then you should try to see somebody for geometry answers.
A right triangle in geometry is a triangle that has 90 degrees as one of its angles.
The molecular geometry is square planar and the bond angle is 90 degrees
It is an angle that is 90 degrees.
it is not important
to learn more important in geometry
T-shaped 90 and 180 :)
They are lines that intersect at 90 degrees
if no geometry in our life, we can't do the other things if we dont have geometry.
The bond angle in a pentagonal bipyramidal molecular geometry is 90 degrees.