| Vinkelsum i polygon (n-kant): S = ∑n − 2i = 1180 Sidelængde i n-kant: s = √r2 + r2 − 2 ⋅ r2 ⋅ cos( 2πn ) s2 = r ⋅ sin( 2 ⋅ πn )sin( π2 − πn ) |
| Vinkelsum i polygon (n-kant): S = ∑n − 2i = 1180 Sidelængde i n-kant: s = √r2 + r2 − 2 ⋅ r2 ⋅ cos( 2πn ) s2 = r ⋅ sin( 2 ⋅ πn )sin( π2 − πn ) |
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