Shared Flashcard Set

Details

S.A. Gr. 4 Geometry Terms
fourth grade geometry terms - Envisions
31
Mathematics
4th Grade
02/01/2013
Click here to study/print these flashcards.

Create your own flash cards! Sign up here.

Additional Mathematics Flashcards

 

 

Cards

Term
point
 Definition
exact location in space
Term
line
 Definition
straight path of points that goes on in two diections
Term
plane
 Definition
endless flat surface
Term
parallel lines
 Definition
same distance apart, never touch
Term
interescting lines
 Definition
pass through the same point
Term
perpendicular lines
 Definition
lines that form right angles
Term
line segment
 Definition
part of a line with two endpoints
Term
ray
 Definition
part of a line that has one endpoint and continues on forever in one direction
Term
right angle
 Definition
forms square corner (90 degrees)
Term
acute angle
 Definition
less than a right angle
Term
obtuse angle
 Definition
greater than a right angle
Term
straight angle
 Definition
form a line
Term
polygon
 Definition
closed plane figure made up of line segments
Term
side
 Definition
line segment
Term
vertex
 Definition
point where two sides meet
Term
triangle
 Definition
polygon with 3 sides
Term
quadrilateral
 Definition
polygon with 4 sides
Term
pentagon
 Definition
polygon with 5 sides
Term
hexagon
 Definition
polygon with 6 sides
Term
octagon
 Definition
polygon with 8 sides
Term
equilateral triangle
 Definition
3 equal sides
Term
isosceles triangle
 Definition
2 equal sides
Term
scalene triangle
 Definition
no equal sides
Term
right triangle
 Definition
one right angle
Term
acute triangle
 Definition
has three acute angles
Term
obtuse triangle
 Definition
has one obtuse angle
Term
parallelogram
 Definition
2 pair of parallel sides
Term
rectangle
 Definition
four right angles
Term
square
 Definition
four right angles and all sides are the same length
Term
rhombus
 Definition
quadrilateral that has opposite sides parallel and all of its sides are the same length
Term
trapezoid
 Definition
quadrilateral with only one pair of parallel sides
Supporting users have an ad free experience!