A right triangle can have 2 equal angles if they are each 45° (any other right triangle will have no equal angles)
right angled triangle does not have all equal sides
A square has four right angles and all sides are equal.
Unless it is a right isosceles triangle, a normal right triangle has no pairs of equal sides.
An obtuse triangle can have no right angles, and has two equal angles.
Eighteen Amendment
15th amendement
the fourteenth amendment
1992
The blacks
In independence hall, when all the men and the president got together in an agreement to make amendement that were right for people.
You mightbe asking about the second amendement of the united states constitution, wich gives us the right to own and bear arms. In the related links box below I posted the wikipedia article on the Second amendement, it is very complete and will have everything you need.
18th amendment.
10
The 18th Amendment
government
The 27th amendment, which was finally ratified in 1992.