This are called congruent angles.
For example,
In an isosceles triangle, the two angles which are opposite to the sides that have the same length, have the same measurements. They are called the base angles of the triangle. When each of them is 45 degree, the triangle is also a right triangle, since the other angle is 90 degree.
congruent
Coinciding angles.
Polygons will be similar if they have the same number of sides AND all of their angles are the same. All of their angles are the same if all but one of their angles are the same because with the same number of sides the angles must add up to the same thing. All squares are similar (4 right angles and sides of equal lenght). All rectangles are similar (4 right angles). We know two triangle are similar if two or mare angles are the same, or if one angle is the same and the two adjacent sides are the same length. Variations of this last proof may apply to some other polygons.
Congruent I believe.
The two angles have the same measure; they are equal. An iscosceles triangle has two equal sides. It also has two equal angles, and each of these angles will be opposite one of the equal sides. The two angles will also each contain the base. The two angles must be equal.
Vertically opposite angles, or vert. opp. angles for short.
Congruent.
They are called congruent angles.
congruent
congruent.
congruent
Two angles with equal measurements are called congruent angles.
Supplementary angles total 180 degrees.
The sum of the internal angles in a parallelogram is 360 degrees. Since there are two equal pairs of angles measuring the same, then each of the second pair of angles is equal to (360 - (35 x 2)) / 2 = 145 degrees.
That's what I call a "square".
When two angle measurements add up to 180
moro than 180