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A hexagon does have six equal sides.2.Triangles sometimes have a line of symmetry.3.A square always has two diagonal that meet at aright angles.4.Cutting a corner of never makes a pentagon.5.A pyramid sometimes has a square base.6.A cuboid always has two square faces.7.When you cut a piece off from a two d shape it would aways reduce the area and perimeter of it.8.A triangle aways can tessellate.9.sometimes the lines of symmetry are the same number of sides.10.A quadrilaterals sometimes can be cut into two equal triangles.