24
None normally
29
All quadrilaterals have four sides and four angles, as well as four vertices.
A square has four right angles.
24
zero because a square only has four right angles which are 90 degree
It varies. If it has reflex angles, then it varies, depending on the number of reflex angles and their location in relation to each other. Otherwise (if it has no reflex angles) then it has 4 diagonals.
6
Two.
Eight if you include reflex angles otherwise 4
None normally
To be pedantic a flag is technically a thin cuboid. So there are 24 right angles on the back and 24 right angles on the front with 12 right angles on each side of the flag. There are 4 reflex angles on the back and 4 reflex angles on the front of the flag. Answer: 96 right angles and 8 reflex angles.
There can be 10 obtuse angles. If there are no reflex angles there can by up to three acute angles (I think).
29
There are two angles in the letter V. An acute angle (internal) and a reflex angle (external).
2, obtuse and reflex angles are larger than right angles A straight angle is larger.