Putuq

Putuq (pilla t'asra).

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	$A\,=\,{\frac {a+c}{2}}\cdot h$ $A\,=\,{\frac {a+c}{2}}\cdot h$
Sayaynin	$h\,=\,b\cdot \sin \gamma =d\cdot \sin \delta$ $h\,=\,b\cdot \sin \gamma =d\cdot \sin \delta$
Sayaynin	$h\,=\,{\frac {2}{c-a}}{\sqrt {s(s-(c-a))(s-b)(s-d)}}$ $h\,=\,{\frac {2}{c-a}}{\sqrt {s(s-(c-a))(s-b)(s-d)}}$ , mit $s\,=\,{\frac {(c-a)+b+d}{2}}$ $s\,=\,{\frac {(c-a)+b+d}{2}}$
Chiqalluwaqpa suni kaynin	$e\,=\,{\sqrt {a^{2}+b^{2}-2\,a\,b\,\cos \beta }}={\sqrt {c^{2}+d^{2}-2\,c\,d\,\cos \delta }}$ $e\,=\,{\sqrt {a^{2}+b^{2}-2\,a\,b\,\cos \beta }}={\sqrt {c^{2}+d^{2}-2\,c\,d\,\cos \delta }}$ $f\,=\,{\sqrt {a^{2}+d^{2}-2\,a\,d\,\cos \alpha }}={\sqrt {b^{2}+c^{2}-2\,b\,c\,\cos \gamma }}$ $f\,=\,{\sqrt {a^{2}+d^{2}-2\,a\,d\,\cos \alpha }}={\sqrt {b^{2}+c^{2}-2\,b\,c\,\cos \gamma }}$
Suni kayninkuna	$a,\,b,\,c,\,d$ $a,\,b,\,c,\,d$
Ukhu k'uchunkunap hatun kaynin	$\alpha ,\,\beta ,\,\gamma ,\,\delta$ $\alpha ,\,\beta ,\,\gamma ,\,\delta$
Iruru muyu / siwiq	$a+b+c+d$ $a+b+c+d$