green tetrahedron or triangular pyramid shape.vector illustration isolated on white background
Schlüsselwörter
three-dimensional,
activity,
apex,
area,
art,
background,
footed,
children,
concept,
construction,
design,
dimensional,
draw,
drawing,
edge,
education,
educational,
element,
face,
figure,
geometric,
geometry,
graphic,
icon,
illustration,
isolated,
children,
learning,
line,
linear,
mathematic,
mathematic,
mathematic,
regular,
act,
school,
shape,
solid,
solid,
student,
surface,
symbol,
teaching,
triangle,
triangular,
volume
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