| vertical angles definitions |
| # | Definition | Sets |
| 1 | two angles whose sides form two pairs of opposite rays | 38 sets |
| 2 | two nonadjacent angles formed by two intersecting lines | 22 sets |
| 3 | criss cross angles on the same line | 22 sets |
| 4 | a pair of opposite congruent angles formed by intersecting lines | 16 sets |
| 5 | angles are formed opposite of each other when two lines intersect | 10 sets |
| 6 | are a pair of angles formed by intersecting lines | 10 sets |
| 7 | two angles whose sides form two pairs of opposite rays. | 8 sets |
| 8 | criss cross angles on one line | 6 sets |
| 9 | two angles whose sides are opposite rays | 6 sets |
| 10 | angles opposite each other in an "x", they are equal | 6 sets |
| 11 | opposite angles formed by two intersecting lines | 6 sets |
| 12 | criss cross angles on 1 line | 5 sets |
| 13 | the opposite angles formed by two intersecting lines | 4 sets |
| 14 | 2 non-adjacent angles formed by 2 intersecting lines | 4 sets |
| 15 | a pair of opposite congruent angles formed by intersecting lines. | 4 sets |
| 16 | two non-adjacent angles formed by intersecting lines | 4 sets |
| 17 | two nonadjacent angles formed by two intersecting lines. | 4 sets |
| 18 | criss cross angles on one line. | 4 sets |
| 19 | intersecting line form two pairs. | 4 sets |
| 20 | two non adjacent angles formed by two intersecting lines | 4 sets |
| 21 | 2 angles formed by 2 intersecting lines that are not adjacent | 4 sets |
| 22 | angles formed by two intersecting lines. these are opposite each other. | 4 sets |
| 23 | 2 angles whose sides form 2 pairs of opposite rays | 3 sets |
| 24 | criss-cross angles on the same line | 3 sets |
| 25 | 2 angles whose sides are opposite rays sharing a vertex making them congruent | 3 sets |
| 26 | criss-cross angles on one line. | 3 sets |
| 27 | 2 angles whose side form two pair of opposite rays | 3 sets |
| 28 | angles opposite each other and do not share a common side | 3 sets |
| 29 | congruent angles that form opposite each other when two lines intersect | 3 sets |
| 30 | sides form two pairs of opposite rays | 3 sets |
| 31 | opposite angles formed by the intersection of two lines. | 3 sets |
| 32 | congruent opposite angles formed by two intersecting lines. | 3 sets |
| 33 | 2 angles whose sides are opposite rays | 3 sets |
| 34 | 2 angles such that the sides of 1 angle are opposite rays to the sides of the other angle | 3 sets |
| 35 | two non-adjacent angles formed by two intersecting lines | 3 sets |
| 36 | criss cross angles on the same line. | 3 sets |
| 37 | formed by two intersecting lines and are opposite each other. vertical angles have the same messure | 3 sets |
| 38 | the opposite angles where two lines meet | 3 sets |
| 39 | criss cross angles on the same lines | 3 sets |
| 40 | two angles that share a vertex, intersect, and share no common sides. they are always congruent | 3 sets |