An arc of length 15 cm subtends an angle of `45o` at the centre of a circle. Find in terms of `pi` , the radius of the circle.

An arc of length 15 cm subtends an angle of 45^@ at the center of a circle. Find in terms of pi , the radius of the circle.

An arc of length 15cm subtends an angle of 45o at the centre of a circle.Find in terms of pi ,the radius of the circle.

An arc of length 20pi cm subtends an angle of 144o at the centre of a circle. Find the radius of the circle.

An arc of length 20 pi cm subtends an angle of 144o at the centre of a circle.Find the radius of the circle.

In a circle, if an arc of 220 cm length subtends an angle of measure 63^@ at the centre, then determine the radius of the circle.

In a circle, if an arc of 220 cm length subtends and angle of measure 60^@ at the centre, then determine the radius of the circle

Two arcs of two different circle are of equal lengths. If these arcs subtends angles of 45^(@) and 60^(@) at the centre of the circles. Find the ratio of the radii of the two circles.

An arc of a circle subtends an angle pi at the centre. If the length of the arc is 22 cm, then what is the radius of the circle ? (Take pi = (22)/(7) )

Find,in terms of pi, the length of the arc that subtends an angle of 30o at the centre of a circle of radius 4cm.

Find, in terms of pi , the length of the arc that subtends an angle of 30^o at the centre of a circle of radius 4 cm.