Tazama chanzo cha Nusukipenyo

[[Picha:Duara.PNG|thumb|Duara na nusukipenyo (rediasi).]]
'''Nusukipenyo''' au '''rediasi''' ni mstari unaonyoka kati ya [[kitovu]] cha [[duara]] na [[mzingo (jiometria)|mzingo]] wake. Ni [[nusu]] ya [[urefu]] wa [[kipenyo]]. 

Uhusiano kati ya mzingo na rediasi ni <math>r = \frac{m}{2\pi}</math>

== Viungo vya nje ==
* [http://www.mathopenref.com/radius.html Definition and properties of the radius of a circle] with interactive applet
{{mbegu-hisabati}}

[[Jamii:Jiometria]]
[[Jamii:Vipimo]]