Vyaasaabdhighaathayuthamourvikayaa

vibhaktho jeevangghri panchagunitha: paridhesthuvarga:

labdhonithaath paridhivarga chathurtha bhaagaadaapte

pade vruthidalaath pathithedhanu: syaath.

  One fourth of five times the chord multiplied with square of circumference divided by four times the diameter added with the chord. This value is subtracted from one fourth of the square of circumference. Square root of this is taken and subtracted from half of the circumference to get the arc.]]>