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Math
Geometry
4th Grade Geometry Terms
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Terms in this set (24)
Obtuse
An angle that measures more than 90 degrees but less than 180 degrees
Acute
An angle that measures less than 90 degrees but more than 0 degrees
Perpendicular
Lines that form square corners and 90 degree angles
Right
An angle that measures exactly 90 degrees
Parallel
Lines that are equal distance apart and will never intersect
Straight
An angle that measures exactly 180 degrees
Quadrilateral
A 4 sided polygon
Point
Names an exact location
Line segment
Part of a line with 2 endpoints
Ray
A line with a starting point but no ending point
Trapezoid
A quadrilateral with 1 set of parallel lines
Scalene
A triangle with no congruent sides
Equilateral
A triangle with all congruent sides
Isosceles
A triangle with 2 congruent sides
Intersecting
Lines pass through the same point
45
This angle is approximately ____ degrees.
120
This angle is about ____ degrees.
90
This angle is ____ degrees.
180
This angle is _____ degrees.
parallelogram
a two-dimensional (flat) shape with 4-sides, with both pairs of opposite sides parallel
similar
Figures that have the same shape but not necessarily the same size
congruent
the same shape and size; two shapes are congruent if one can be exactly superimposed onto the other using a sequence of rotations, reflections and/or translations
pentagon
two-dimensional (flat) shape with 5 sides
hexagon
a two-dimensional (flat) shape with 6 sides
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