elementary geometry

T28: | Volume of the $d$-dimensional unit sphere (501 numbers) |

T27: | Volume of the $d$-dimensional unit ball (500 numbers) |

T17: | Area of the regular n-gon (294 numbers) |

T85: | Volume of the Platonic solids (25 numbers) |

T86: | Surface area of the Platonic solids (25 numbers) |