Q14 of 25 Page 276

The end point of the minute hand of a clock rotates in 1 hour

angle of complete circle = 2π


Minute hand completes 1 circle in an hour.

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12

The base BC of the equilateral triangle ABC is extended upto the point E so that CE=BC. By joining A,E, let us determine the circular values of the angles of ΔABC

 13

If the measures of three angles of quadrilateral are and 90° respectively, then let us determine and write the sexagesimal and circular values of fourth angle.

 14

radian equals to

 14

The circular value of each internal angle of a regular hexagon is