octagonal pyramid 15°, 18°, 22.5° geometric figures outline set on a white backdrop. 3d s. in mathematics.

abstract back background base choice collection colors computer concept cursor demonstration design directional display drawing education equilateral faces figure form geometric geometry heptagonal pyramid hexagonal icon icons internet isolated left line mathematics pentagonal perspective polygon polygonal render science series set shape square structure symbol triangular vector volume octagonal 15â° 18â° 5â° figures outline white backdrop shapes 22 5â° backdrop shapes mathematics