Putuq

Putuq, Pilla t'asra icha Inkapunku (kastilla simimanta: trapecio) nisqaqa iskay chimpa kaq chimpanasqa (chasllasqa) kaq chiruyuq kaq, wakin chiruntaq mana chimpanasqa kaptintaqmi.

Pilla t'asra
Hallka k'iti k'anchar	${\displaystyle A\,=\,{\frac {a+c}{2}}\cdot h}$
Sayaynin	${\displaystyle h\,=\,b\cdot \sin \gamma =d\cdot \sin \delta }$
Sayaynin	${\displaystyle h\,=\,{\frac {2}{c-a}}{\sqrt {s(s-(c-a))(s-b)(s-d)}}}$, mit ${\displaystyle s\,=\,{\frac {(c-a)+b+d}{2}}}$
Chiqalluwaqpa suni kaynin	${\displaystyle e\,=\,{\sqrt {a^{2}+b^{2}-2\,a\,b\,\cos \beta }}={\sqrt {c^{2}+d^{2}-2\,c\,d\,\cos \delta }}}$ ${\displaystyle f\,=\,{\sqrt {a^{2}+d^{2}-2\,a\,d\,\cos \alpha }}={\sqrt {b^{2}+c^{2}-2\,b\,c\,\cos \gamma }}}$
Suni kayninkuna	${\displaystyle a,\,b,\,c,\,d}$
Ukhu k'uchunkunap hatun kaynin	${\displaystyle \alpha ,\,\beta ,\,\gamma ,\,\delta }$
Iruru muyu / siwiq	${\displaystyle a+b+c+d}$

Putuq (pilla t'asra).

P'atachana

• Wakna inkapunku ( trapeze escalene)
• Iskapasa inkapunku ( trapeze isoscely)
• Chiqa inkapunku ( trapecio rectángulo)