NMT / ZNO

Formulas and reference

A compact mathematics reference in two levels: the NMT exam sheet and the full ZNO formula set.

ZNO — full reference · Geometry · 3 formulas
Full ZNO Expanded school formula set. The “NMT” badge marks formulas also present on the compact sheet.
Polygons

Polygons

Sum of interior angles of an n-gon

\[\sum\alpha=(n-2)180^\circ\]
8–11 grade
Polygons

Regular polygon

Central angle of a regular n-gon

\[\varphi=\frac{360^\circ}{n}\]
8–11 grade

Area of a regular polygon

\[S=\frac12Pr\]
8–11 grade