The second pair of ribs or the True ribs
Chat with our AI personalities
One pair of opposite angle is greater than a right angle.
109.5 degrees
No.
One pair of perpendicular lines would create one right angle. Some kites have one right angle.
Tetrahedral bond angle of a molecule which have a lone pair electron is 107, smaller than regular 109.5, due to the repulsion of electrons of lone pair.