3d
angle
angles
art
bisector
bisectors
button
concept
congruent
construction
contour
definition
design
drawing
education
engraved
engraving
equal
geometric
geometry
graphic
icon
illustration
isolated
isometric
isosceles
line
linear
lineart
math
mathematics
maths
median
outline
perpendicular
pointer
proofs
property
right
segment
segments
shape
square
theorem
theorems
triangle
triangles
vertex
vintage
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