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11 Cards in this Set
- Front
- Back
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Angles |
when two rays meet at a point angle is formed. |
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Vertex |
points where two rays meet is called the vertex. |
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Right Angle |
right angle measures 90°. |
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Acute Angle |
an acute angle measures between 0° to 90°. |
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Obtuse Angle |
An obtuse angle measures between 90° to 180°. |
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Straight Angle |
an angle measuring 180° is called a straight angle. |
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Zero Angle |
zero angle measures 0°. |
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Perpendicular |
when two lines intersect and make a right angle they are said to be perpendicular to each other. |
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Parallel lines |
two lines are parallel if they do not intersect. |
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Intersecting lines |
two lines are said to intersect if they meet or cross each other. |
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Polygons |
closed shape with three or more straight line segments. |
