  , , -  sides of a triangle - semiperimeter  - circumcenter

Calculate the radius of the circumcircle of a triangle if given all three sides ( R  ) :   -  side of a triangle - height - circumcenter

Calculate the radius of the circumcircle of an equilateral triangle if given side or height ( R  ) :    - equal sides of a triangle - side  (base) - circumcenter

Calculate the radius of the circumcircle of an isosceles triangle if given sides ( R  ) :   , -  legs of a right triangle - hypotenuse - circumcenter

Calculate the radius of the circumcircle of a right triangle if given legs or hypotenuse ( R  ) :   , -  sides of a rectangle - diagonal - circumcenter

Calculate the radius of the circumcircle of a rectangle if given sides or diagonal ( R  ) :   - equal sides of a hexagon - diagonal - circumcenter

Calculate the radius of the circumcircle of a regular hexagon if given side or diagonal ( R  ) :   -  side of a square - diagonal - circumcenter

Calculate the radius of the circumcircle of a square if given side or diagonal ( R  ) :   - equal sides of a trapezoid , - bases - diagonal   - circumcenter

Calculate the radius of the circumcircle of an isosceles trapezoid if given sides and diagonal ( R  ) :    -  side  of a polygon -  number  of sides - circumcenter

Calculate the radius of the circumcircle of a regular polygon if given side and number of sides ( R  ) : 