Kubalwa kwema-diagonal ekumaka sisekelo
Ucelwa kutsi ukhombise tilinganiso letidzingekako ngemamilimitha
X - budze besisekelo
Y - Bubanti besisekelo
Emakhono eluhlelo.
Kubalwa kwe diagonal yekumaka sisekelo noma tindvonga.
Isetjentiselwa kusetha engela ngqo 90 degree.