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Geometry vocab part

maths vocab

TermDefinition
adjacent (adjective) touching, next to each other
diagonal A line segment joining any two non-adjacent vertices of a polygon.
equilateral having equal sides
congruent Two or more geometric figures are said to be congruent when they are the same in every way except their position in space.
symmetry a shape has symmetry if it is exactly the same when you reflect it
convex curving outwards
concave curving inwards
arc a portion of a curve, or of the outside of a circle
translation of a shape move every part of it the same distance in the same direction
axis a fixed reference line
axis of symmetry a line where you can divide a shape and both sides are symmetrical
rotate turn something around in a circle
rotation symmetry 2-D shape has rotation symmetry about a point if an identical looking shape in the same position is produced by rotating it
Created by: ealLAY
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