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17 Cards in this Set
- Front
- Back
Parallel Lines |
Coplanar lines that do not intercept. |
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Angle Bisector |
A ray that divides an angle into two congruent angles |
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Included Angle |
The angle of a polygon that is an angle formed by two sides. |
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Isosceles triangle |
A triangle with at least two sides congruent. |
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Plane |
A flat surface made up of points that has no depth and expands indefinitely in all directions. |
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Included Side |
The side of a polygon that is a side of each of two angles. |
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Circle |
The locus of all point in a plane equidistant from a given point called the center. |
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Midpoint |
The point of a segment exactly halfway between the endpoints of the segment. |
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Obtuse angle |
An angle with a degree measure greater than 90 but less than 180. |
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Acute Angle |
An angle with a degree measure less than 90. |
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Radius |
Any segment with endpoints that are the center of the circle and a point on the circle. |
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Equilateral Triangle |
A triangle with all sides congruent. |
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Line segment |
A measureable part of a line that consists of two points and all of the points between them. |
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Corresponding |
Matching parts of congruent polygons. |
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Line |
Made up of points and has no thickness or width and extends indefinitely in two directions. |
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Perpendicular lines |
Lines that intersect to form right angles. |
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Right Angle |
An angle with a degree measure of 90. |