The perimeter of a certain sector of a circle is equal to half that of the circle of which it is a sector. The circular measure of one angle of the sector is

The perimeter of a certain sector of a circle is equal to the length of the arc of the semi-circle having the same radius, express the angle of the sector in degrees, minutes and seconds.

If the perimeter of a certain sector of a circle is equal to the length of the arc of the semicircle having the same radius , find the angle of the sector in degrees .

The perimeter of a certain sector of a circle is equal to the length of the arc of semi circle having the same radius. Express the angle of the sector in degrees, minutes and seconds.

The perimeter of a certain sector of a circle is equal to the length of the arc of semi circle having the same radius.Express the angle of the sector in degrees,minutes and seconds.

The perimeter of a certain sector of a circle is equal to the length of the arc of a semi-circle having the same radius. Express the angle of the sector in degrees, minutes and seconds.

Select and write the correct answer from the given alternatives in each of the following:The perimeter of a certain sector of a circle is equal to the length of the arc of a semi-circle having the same radius. Then the angle of the sector in degrees,minutes and seconds is:

The perimeter of certain sector of a circle is equal to the length of the a semi-circle having the same radius. Express the angle of the sector in degress, minutes and seconds.

The perimeter of a certain sector of a circle is equal to the length of the are of the semicircle . Then the angle at the centre of the sector in radians is