1.
The side opposite the right angle in a right-angled triangle.
2.
The angles that have equal measure.
3.
the angles which occupy the same relative position at each intersection where a straight line crosses two others. If the two lines are parallel, the corresponding angles are equal.
4.
lines side by side and having the same distance continuously between them.
5.
divide (a line, angle, shape, etc.) into two equal parts.
6.
an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.
7.
The two angles are said to be adjacent angles when they share the common vertex and side.
8.
the one across from a given angle,
