Answer the following:In two arcs,of the same length of the wo circles subtend angles `65^@` and `110^@` at the centre, find the ratio of their radii

Two arcs of the same length subtend angles of 60^@ and 75^@ at the centres of the circles.What is the ratio of the radii of the two circles?

Find the length of an arc of circle which subtends an angle of 108^@ at the centre, if the radius of the circle is 15cms.

Answer the following:The area of a circle is 81 pi sq.cm.Find the length of the arc subtending an angle of 300^@ at the centre and the area of the corresponding sector.

Select and write the correct answer from the given alternatives in each of the following:The length of an arc of a circle which subtends an angle of 108^@ at the centre,if the radius of the circle is 15cm is

Select and write the correct answer from the given alternatives in each of the following:The length of the arc of the circle which subtends an angle of 36^@ at the centre having radius 5cm is:

The area of a circle is 225pi sq. cm. Find the length of its arc subtending an angle of 120^(@) at the centre. Also find the area of the corresponding sector.

The area of the circle is 25 pi sq. cm.Find the length of its arc subtending an angle of 144^@ at the centre. Also, find the area of the corresponding sector.

Select and write the correct answer from the given alternatives in each of the following:An arc AB of a circle subtends an angle x radians at the centre O of the circle.Given that the area of the sector AOB is equal to the square of the length of the arc AB.then he value of x

The diameter of a circle is 14 cm. Find the length of the arc, subtending an angle of 54^(@) at the centre.