Kimsak'uchu nisqapaq musuqchasqapura wakin kaynin

*Manya tupuynin M2p = a+b+c , chaychu a, b c, t'iksunkuna tupun. <ref> t'iksu = lado, Laura Ladrón de Guevara ''Diccionario quechua'' ISBN 84-8389-978-7 </ref>

*Panpa tupuynin PA = bh/2, chaychu b= tiyana; h= sayay <ref> kikillan</ref>

*Panpa tupuynin PA = <math>\dfrac{a^2 * \sqrt{3}}{4}, a = b = c</math>.

*Panpa tupuynin <math>PA = \sqrt{mp(mp-a)(mp-b)(mp-c)};</math> mp = pullan manya tupuynin; <math>mp = \dfrac{a+b+c}{2}, </math> kay PA-ta paqarichiran "Heron".

*Panpa tupuynin <math>PA = \dfrac{ab}{2}, a \bot b </math> kaptin.