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26 Cards in this Set
 Front
 Back
cubic unit

a cube with edges that are 1 unit long


volume

the number of cubic units needed to fill a solid figure


square unit

a square with sides that are each 1 unit long


area

the number of square units needed to cover the region inside a figure


perimeter

the distance around a figure


peri

around


meter

measure


symmetric

your figure is symmetric because the two halves of the figure match


line of symmetry

the fold line is the line of symmetry


flip

a flip of a figure gives its a mirror image


congruent

two figures are congruent if they have the same size and shape


rectangle

four right angles and opposite sides are the same length


square

four right angles and all sides are the same length


parallelogram

Opposite sides are parallel and all sides are the same length


rhombus

opposite sides are parallel and all sides are the same length


trapezoid

there is only one pair of parallel sides


polygon

a closed figure made up of parallel sides


side

each line segment on a polygon is a side


equilateral triangle

all sides are the same length


isosceles triangle

at least two sides are the same length


scalene triangle

no sides are the same length


right triangle

one angle is a right angle


acute triangle

all three sides are acute angles


obtuse triangle

one angle is an obtuse angle


side

EACH LINE SEGMENT ON A POLYGON IS A SIDE


angle

an angle is made by two rays that have the same end point.
