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# Geometry 4 voc

Which angle makes a 90 degree angle, or the "perfect L?" A right angle
plane figures that have the same size and shape congruent
Which angle is bigger than a right angle(>90)? An obtuse angle
Which angle is smaller than a right angle(<)? An acute angle
point where edges meet vertex
polygon with only one pair of parallel sides trapezoid
Which quadrilateral has 4 right angles and all sides are the same length? square
Which quadrilateral has 4 right angles and the opposite sides are the same length? rectangle
set of points that is endless in both directions line
line that has two endpoints line segment
lines that cross each other at one point intersecting lines
lines that are always the same distance apart and never cross parallel lines
lines that cross at one point, and form right angles perpendicular lines
What is the distance around a figure called? perimeter
number of square units needed to cover the inside of a figure called? area
triangle with 3 equal sides and 3 equal angles equilateral
triangle with 2 equal sides and 2 equal angles isosceles
triangle with no sides the same length scalene
any line segment that joins a point on the circle to the center of the circle radius
any line segment that passes through the center of a circle and has its endpoints on the circle diameter
a figure can be folded so its two parts match exactly line of symmetry
the sum of areas of all the faces of a solid figure surface area
the number of cubic units that make up a figure volume
quadrilateral with opposite sides parallel and the same length parallelogram
Created by: malicki