Most triangles, quadrilaterals, and other polygons with five or more sides; most closed shapes with curved sides.
Most triangles, quadrilaterals, and other polygons with five or more sides; most closed shapes with curved sides.
Most triangles, quadrilaterals, and other polygons with five or more sides; most closed shapes with curved sides.
Most triangles, quadrilaterals, and other polygons with five or more sides; most closed shapes with curved sides.
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Most triangles, quadrilaterals, and other polygons with five or more sides; most closed shapes with curved sides.
Square, Rectangle, Rhombus & Parallelogram
a pentagon
There are four corners on a square.
A square has 4 corners.
A triangle is the only polygon with 3 corners (vertices). There is no polyhedron with 3 corners.