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7 Cards in this Set
- Front
- Back
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What happend when two lines intersect? |
The sum of their angles is 360 |
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What happens when two lines are perpendicular? |
It forms a 90 degree angle |
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Ehat do the three angles in a triangle equal? |
180 degrees |
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What do four angles in any four sided figure equal? |
360 degrees |
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What is the line that goes from the center of the circle to the outside edge? |
The radius! |
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Vertical angles |
Angles that are across each other when two lines intersect. They are always equal. |
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What are parallel lines? |
Lines that never intersect. When q pair of parallel lines is intersected by a third, two angles are formed. Big angles: equal to any big angle Small angles: equal to any small angle The sum of any small angle plus any big angle is 180. Any time you see the word parallel, identify your big and small angles. |
