Nástroje geometrie Kalkulačky
Všechny kalkulačky Nástroje geometrie
Obsah pravidelného mnohoúhelníku
Area of any regular polygon by sides and radius. Formula, variable legend, diagram and worked example included. Instant geometry result.
Kalkulačka vepsané kružnice
Radius of inscribed circle in a triangle. Formula, variable legend, diagram and worked example included. Instant geometry result.
Opsaná kružnice
Radius of circumscribed circle of a triangle. Formula, variable legend, diagram and worked example included. Instant geometry result.
Heron's Formula Calculator
Calculate triangle area from three side lengths using Heron's formula. Enter sides a, b, c — see area, semi-perimeter, and angle calculations. Free.
Kalkulačka obsahu výseče
Area of a circular sector by radius and angle. Formula, variable legend, diagram and worked example included. Instant geometry result.
Kalkulačka délky oblouku
Arc length from radius and central angle. Formula, variable legend, diagram and worked example included. Instant geometry result.
Kalkulačka délky tětivy
Calculate chord length for any circle, given radius and central angle. Enter radius and angle — see chord length with arc length and sector area. Free.
Kalkulačka obsahu mezikruží
Area of a ring between two concentric circles. Formula, variable legend, diagram and worked example included. Instant geometry result.
Kalkulačka obsahu deltovitého čtyřúhelníku
Calculate the area, perimeter, and diagonal lengths of a kite. Enter diagonals or side lengths — see all properties. Free.
Poloměr vepsané kružnice
Radius of incircle in a triangle. Formula, variable legend, diagram and worked example included. Instant geometry result.
Kalkulačka výseče a oblouku
Area arc length and perimeter of a sector. Formula, variable legend, diagram and worked example included. Instant geometry result.
Heron's Formula
Find triangle area from three side lengths. Enter a, b, c — see area via Heron's formula with s = (a+b+c)/2 clearly shown. Free.