In a certain code language, “Mayank is happy” is written as “ku tap pi”, “happy are make” is written as “tap le fu” and “make is happy” is written as “fu pi tap”. What is the code for “happy” in that code language?
If the length of a chord of a circle is equal to that of the radius of the circle, then the angle subtended, in radians, at the centre of the circle by chord is