Shared Flashcard Set

Details

Geometry
N/A
44
Mathematics
7th Grade
11/03/2009

Additional Mathematics Flashcards

 


 

Cards

Term
Central Angle
Definition
an angle with its vertex at the center of a circle
Term
Point
Definition
An exact location in space is a __________.
Term
Arc
Definition

A(n) _________ is part of a circle named by its endpoints.

Term
Ray
Definition

A figure formed by two rays with a common endpoint called the vertex is a(n) __________.

Term
Chord
Definition

A ________ is a line segment with endpoints on a circle.

Term

Radius

 

Definition

A line segment with one endpoint at the center of a circle and the other endpoint on the circle ___________.

Term
Line Segment
Definition

A ____________ is a part of a line between two endpoints.

Term
Diameter
Definition
The ____________ of a circle is a line segment that passes through the center of a circle and has endpoints on the circle.
Term
Line
Definition

A straight path that extends without end in opposite directions is a __________.

Term
Center of a circle
Definition

The point inside a circle that is the same distance from all the points on the circle is the _________________.

Term
Ray
Definition
A _________ is part of a line that starts at one endpoint and extends forever.
Term

Plane

 

Definition

A flat surface that extends forever is a ___________.

Term
Circle
Definition

The set of all points in a plane that are the same distance from a given point called the center is a _________.

Term
Congruent
Definition
Two figures having the same shape and size are ___________.
Term
Transversal
Definition

A __________ is a line that intersects two or more lines.

Term
Vertex
Definition

The two rays are the sides of the angle and the common endpoint is the _________.

Term
Skew
Definition

Lines that lie in different planes that are neither parallel nor intersecting are ___________.

Term
Right
Definition

An angle that measures 90° is a _______________ angle.

Term
Acute
Definition
An angle that measures less than 90° is a(n) _____________ angle
Term
Perpendicular
Definition
Lines that intersect to form right angles are ___________ lines.
Term
Obtuse
Definition

An angle whose measure is greater than 90° but less than 180°  is a(n) _____________ angle.

Term
Supplementary
Definition
Two angles whose measures have a sum of 180° are _____________.
Term
Straight
Definition

An angle that measures 180° is a(n) ______________.

Term
Complementary
Definition

Two angles whose measures have a sum of 90° are ___________.

Term
Polygon
Definition
A closed plane figure formed by three or more line segments.
Term
Scalene Triangle
Definition
Triangle that has no congruent sides.
Term
Isoceles Triangle
Definition
A triangle with at least 2 congruent sides.
Term
Equilateral Triangle
Definition
A triangle with all of the sides congruent.
Term
Acute Triangle
Definition
Triangle in which all of the angles are acute.
Term
Obtuse Angle
Definition
Triangle with one obtuse angle.
Term
Right Triangle
Definition
A triangle with one right angle.
Term
Parallelogram
Definition
quadrilateral with 2 pairs of parallel sides.
Term
Rhombus
Definition
A quadrilateral that has four congruent sides.
Term
Rectangle
Definition
A quadrilateral that has exactly one pair of parallel sides.
Term
Square
Definition
A quadrilateral with four congruent sides and four right angles.
Term
Kite
Definition
A quadrilateral that has exactly tow pairs of congruent, adjacent sidesl.
Term
Transformation
Definition
Changes the position or orientation of a figure
Term
Image
Definition
A figure resulting from a transformation.
Term
Translation
Definition
A figure slides along a straight line without turning.
Term
Rotation
Definition
A figure turns around a fixed point.
Term
Reflection
Definition
A transformation of a figure that flips the figure across a line.
Term
Line of Reflection
Definition
A line that a figure is flipped across to create a mirror image of the original figure.
Term
Vertical Angles
Definition
A pair of opposite congruent angles formed by intersecting lines.
Term
Asymmetry
Definition
Not identical on either side of a central line.
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