Bamuda kalkuleta lissafi da kuma samun: malã'iku, tarnaƙi, yankin na iri daban-daban a triangles. Ana kirga: dama alwatika, gefe alwatika, isosceles ALWATIKA da equilateral alwatika.
Kewaye a alwatika, kewaye dabara kalkuleta
Find a kewaye da daban-daban na triangles, kamar equilateral, isosceles, dama ko scalene alwatika.