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68 Cards in this Set
- Front
- Back
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Point |
A location in space. It has no size and is named with a capital letter |
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Line |
A series of point that extend in opposite directions without end. This is named with 2 or more of its points or a lowercase letter |
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Plane |
A flat surface with no thickness, it contains many lines and extends without end in all directions and is named by their vertices |
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Line segment |
A part of a line it has a beginning point and an ending point it is named by its end points |
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Ray |
A part of a line, it has a beginning point but no ending point. It is named by its endpoint first and some other point on the line |
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Parallel lines |
2 lines that lie in the same plane and don't intercept |
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Skew line |
Don't lie in the same plane, intersect, and arent parallel |
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Adjacent angle |
Share a vertex and a side but no points in their interiors |
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Vertical angles |
Are formed by 2 intersecting lines and are opposite each other and have the same measures |
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Congruent angles |
Angles that have the exact same measures |
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Supplementary angles |
2 angles who the sum of their measures totals 180° |
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Complementary angles |
2 angles who the sum of their measures totals 90° |
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Transverse |
A line that intersects 2 other lines in different points |
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Corresponding angles |
Lie on the same side of the transverse and in corresponding positions |
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Alternate interior angles |
In the interior of a pair of lines and on the opposite sides of the transversal |
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Polygon |
A closed plain figure with at least 3 sides |
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Polygon |
A closed plain figure with at least 3 sides |
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Triangle |
3 names, 3 sides, angle, triangle |
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Equilateral |
3 congruent sides |
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Equilateral |
3 congruent sides |
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Isosceles |
2 congruent sides |
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Scalene |
No congruent sides |
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Acute |
3 acute angles that are less than 90 |
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Right |
One right angle |
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Obtuse |
Had 1 obtuse angle that is greater than 90 |
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Congruent figures |
They have the same size and shape and their corresponding parts have equal measures |
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Circle |
The set of all points in a plane that are the same distance from a given point called the center |
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Central angle |
An angle whose vertex is the center of a circle |
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Transformation |
A change of position or size of a figure |
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Translation |
A transformation that moves points the same distance and in the same direction |
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Image |
The figure you get after a transformation you name this by a prime notation |
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Reflectional symmetry |
When half of a figure is a mirror image of the other half |
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Line of symmetry |
Divides a figure with Reflectional symmetry into 2 congruent halves |
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Rotation |
A transformation that turns a figure around a fixed point |
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Center of a rotation |
The fixed point about which a figure rotates |
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Equalangular |
Total of all angle is 180 |
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Angle of rotation |
The angle measure of the rotation |
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Rotational symmetry |
A figure that can be rotated 180 or less so that the image matches the original figure |
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Quadrilateral |
4 sided shape |
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Trapezoid |
1 pair of parallel line called based |
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Parallelogram |
Both pairs of opposite sides are parallel with no 90 angles |
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Rectangle |
Both pairs of opposite sides are parallel with 4 90 angles |
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Rhombus |
4 congruent sides with no 90 angles |
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Square |
4 congruent sides an 4 90 angles |
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Regular polygon |
All sides are congruent and all angles are congruent |
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Irregular polygon |
Not all sides or angles are congruent |
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Obtuse |
Had 1 obtuse angle that is greater than 90 |
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Congruent figures |
They have the same size and shape and their corresponding parts have equal measures |
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Circle |
The set of all points in a plane that are the same distance from a given point called the center |
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Central angle |
An angle whose vertex is the center of a circle |
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Transformation |
A change of position or size of a figure |
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Translation |
A transformation that moves points the same distance and in the same direction |
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Image |
The figure you get after a transformation you name this by a prime notation |
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Reflectional symmetry |
When half of a figure is a mirror image of the other half |
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Line of symmetry |
Divides a figure with Reflectional symmetry into 2 congruent halves |
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Rotation |
A transformation that turns a figure around a fixed point |
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Center of a rotation |
The fixed point about which a figure rotates |
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Equalangular |
Total of all angle is 180 |
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Angle of rotation |
The angle measure of the rotation |
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Rotational symmetry |
A figure that can be rotated 180 or less so that the image matches the original figure |
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Sarcasm |
The act if being smart |
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Quadrilateral |
4 sided shape |
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Trapezoid |
1 pair of parallel line called based |
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Parallelogram |
Both pairs of opposite sides are parallel with no 90 angles |
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Rectangle |
Both pairs of opposite sides are parallel with 4 90 angles |
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Rhombus |
4 congruent sides with no 90 angles |
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Square |
4 congruent sides an 4 90 angles |
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Regular polygon |
All sides are congruent and all angles are congruent |
