Yes
Yes.
Vertical angles
An angle is formed when two rays meet.
A right angle (90 degrees).
supplimentary angles
A straight angle.
Only between 23.5 degrees on each side of the equator. The earth is tilted at 23.5 degrees, so the sun's vertical rays will only oscillate between those latitudes throughout the year. They are at those extremes during the solstices.
In the Tropic Zone ... the band between latitudes 23.5 degrees south and 23.5 degrees north of the equator.
the parallel of latitude 23½ degrees south latitude marking the southern limit of Sun's vertical rays
All lattitudes from 22.5 degrees North to 22.5 degrees South of the equator receive vertical or direct rays twice every year as the tilted earth circles the sun.
Oblique incidence applies to rays that are incident at some angle OTHER THAN at right angles (90 degrees) to the surface on which they are incident. Vertical incidence IS at right angles.
From the Tropic of Cancer (23.45 degrees north) to the Tropic of Capricorn (23.45 degrees south).
Either the answer will be that they contain more solar energy, it strike's the earth at an angle greater than 90 degrees, or it could be that they spread energy over a larger surface area.
Obviously the angle of incidence is different. The oblique rays spread their energy over a larger area of the surface than vertical (also called perpendicular or normal rays)
An angle.
By exposed it to vertical rays of the sun from the spring equinox to the automn equinox.
srinagar
They contain more solar energy!