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Geometry
Quiz
47
Mathematics
Not Applicable
02/02/2005

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Term
Rectangle
Definition
A parallelogram with 4 right angles. Opposite sides are congruent.
Term
Parallelogram
Definition
Has 2 pairs of opposite sides parallel. Opposite sides are congruent.
Term
Scalene Triangle
Definition
No equal sides.
Term
Straight Angle
Definition
Measures 180 degrees.
Term
Plane
Definition
An endless flat surface determined by three points not on a line.
Term
Triangle
Definition
3 sides polygon
Term
Right Triangle
Definition
1 right angle.
Term
Line Segment
Definition
A part of a line having two end points.
Term
Polygons
Definition
A closed plane figure with sides that are line segments.
Term
Trapezoid
Definition
Exactly one pair of opposite sides are parallel.
Term
Chord
Definition
A segment with both endpoints on the circle.
Term
Diameter
Definition
A chord that passes through the center of the circle.
Term
Diagonal
Definition
Diagonal of a polygon is a segment that joins 2 vertices and is not a side.
Term
Corresponding
Definition
Matching sides and angles. Similar=looks the same/shape. Angles will measure the same.
Term
Square
Definition
A rectangle with 4 congruent sides. (2 pairs of parallel lines)
Term
Regular Polygon
Definition
All sides are equal in measure and all the angles are equal in measure.
Term
Rhombus
Definition
A parallelogram with all 4 sides congruent.
Term
Angle
Definition
Two rays having a common endpoint called a vertex.
Term
Equilateral Triangle
Definition
3 equal sides
Term
Isosceles Triangle
Definition
2 equal sides.
Term
Quadrilateral
Definition
4 sided polygon.
Term
Acute Triangle
Definition
3 acute angles.
Term
Pentagon
Definition
5 sided polygon.
Term
Point
Definition
an exact location in space.
Term
Line
Definition
A collection of points extending endlessly along a path.
Term
Hexagon
Definition
6 sided polygon.
Term
Obtuse Angle
Definition
Measures greater than 90 degrees and less than 180 degrees.
Term
Acute Angle
Definition
Measures less than 90 degrees.
Term
Congruent
Definition
Angles that look and measure the same.
Term
Obtuse Triangle
Definition
One obtuse angle.
Term
Parallel Lines
Definition
Lines in the same plane that never intersect.
Term
Decagon
Definition
10 sided polygon.
Term
Intersecting Lines
Definition
Meet at a point.
Term
Heptagon
Definition
7 sided polygon.
Term
Ray
Definition
A part of a line having only one end point.
Term
Octagon
Definition
8 sided polygon.
Term
Perpendicular Lines
Definition
Intersect to form right angles.
Term
Right Angle
Definition
Measures 90 degrees
Term
Semicircle
Definition
An arc that's 1 half of a circle.
Term
Radius
Definition
A segment from the center to a point on the circle.
Term
The __(1)__ of the __(2)__ of the __(3)__ in any __(4)__ is __(5)__.
Definition
1.sum
2.measures
3.angles
4.quadrilateral
5.360 degrees.
Term
Arc
Definition
a part of the circle
Term
Translation
Definition
A slide moves each point of a figure the same distance and in a single direction in a plane. Slide=Translation
Term
The original polygon is called the ____. The Translated polygon is called the ______.
Definition
The original polygon is called the pre-image. The translated polygon is called the image.
Term
Reflection
Definition
You can trace a triangle and flip it or turn it to another place. A flip moves each point in a plane over a line. Flip=Reflection
Term
Rotation
Definition
A turn moves each point in a plane clockwise or counter clockwise around a point. Turn=Rotation
Term
Translations, Reflections and rotations are called ________.
Definition
transformations
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