# 5-12-13 triangle

Input interpretation |
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triangle | edge lengths 5 | 12 | 13 |

Triangle shape |

right triangle |

Properties |

area | 30 perimeter | 30 interior angles | ((180 cos^(-1)(12/13))/pi° | (180 cos^(-1)(5/13))/pi° | 90°)~~(0.394791 radians | 1.17601 radians | 1.5708 radians) interior angle sum | 180° = pi rad~~3.142 rad |