## Emily's geometry flashcards

##### Created by:

missbeasleysclass  on December 12, 2011

##### Description:

Math (geometry) vocabulary

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# Emily's geometry flashcards

 lineA straight path that extends without end in opposite directions.
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#### Definitions

line
A straight path that extends without end in opposite directions.
Ray (mathematics) a straight line extending from a point
perpendicular lines
Two lines that intersect to form right angles
intersecting lines
lines that cross at one point
square
having four equal sides and four right angles or forming a right angle
circle
A circle is a shape with no angles, straight lines and no sides. A circle is a round shape
rectangle
a quadrilateral with four right angles. Two squares = a rectangle
rombus 4 congruent sides, 2 sets of parallel sides. 4 sides the same
parallel lines
lines that never intersect. never meet.
pentigon 5 sided shape
trapizoid a quadrilateral with exactly 1 pair of parallel sides
parallelogram
a quadrilateral with two pairs of parallel sides
polygons
a closed figure, all straight lines, and no intersecting lines
A polygon with 4 sides
acute triangle
A triangle with three acute angles
obtuse triangle
a triangle that has 1 obtuse angle and 2 acute angles
right angle
an angle that measures 90 degrees
equilateral triangle
a triangle with three equal sides
scalene triangle
a triangle with no equal sides
isoscelese triangle a triangle with 2 equal sides
ajacent
adjective; lying close to or next to
congruent Having the same size and shape(same length)
Translation-slide ..., A translation moves the figure in a straight line, changing its location, but not its position. Also called a slide. does not turn or flip
rotation-turn
A movement of a figure that turns that figure around a fixed point. not turn or flip
reflection-flip
Flipping a figure to produce a mirror image. flipping to next side

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