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Vertical Angles
More Angles
Students should be able to:
- recognize the angles formed and the relationship between the angles when two lines intersect.
Introduction to Vertical Angles: The Letter X
When two lines cross, we say they intersect.When two lines intersect they form four angles and they look like the letter X. The angles that are opposite each other are called vertical angles.
Click on the button above to see a pair of vertical angles in the letter X.
Properties of Vertical Angles
Vertical angles are congruent. That means if two angles are opposite each other when two lines intersect and one is 95 degrees, the other one is too.
Vertical angles share the same vertex, or the point where the two lines intersect, or meet.
More Angles
More Geometry: Angles
| Parallel Lines | Transformations
| Tessellations |
Symmetry | Similar Figures
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