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Found: 3

Problem #PRU-57833

Problems Geometry Solid geometry Space transformations Isometry Reflectional symmetry

Prove that, with central symmetry, a circle transforms into a circle.

Problem #PRU-57835

Problems Geometry Solid geometry Space transformations Isometry Point symmetry Reflectional symmetry

The opposite sides of a convex hexagon are pairwise equal and parallel. Prove that it has a centre of symmetry.

Problem #PRU-57866

Problems Geometry Solid geometry Space transformations Isometry Point symmetry Reflectional symmetry

Prove that if a shape has two perpendicular axes of symmetry, then it has a centre of symmetry.