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math 4th grade AIR review
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Gravity
square, rhombus, polygon etc.
Key Concepts:
Terms in this set (22)
square
a quadrilateral with 4 equal sides and 4 right angles
rhombus
a quadrilateral with 4 equal sides
rectangle
a quadrilateral with 4 right angles
polygon
a closed shape made with line segments
kite
a quadrilateral with 2 different pairs of equal adjacent sides
quadrilateral
a four sided polygon
trapezoid
a quadrilateral with one pair of parallel sides
acute triangle
a triangle where all three angles are acute
right angle
a 90 degree angle
parallel lines
two lines that stay the same distance apart
obtuse triangle
a triangle where one of the angles is obtuse
perpendicular
two lines that intersect at right angles
triangle
a three sided polygon
equilateral triangle
a triangle that has 3 equal sides and angles
congruent
exact same shape and size
rotation
turn
reflection
flip
translation
slide
clockwise
turning to the right like a clock
counterclockwise
turning to the left; the opposite of a clock
symmetry
one half is the mirror image of the other half
90 degree turn
a quarter turn
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