If the arcs of same length in two circles subtend angles of `30^(@)` and `45^(@)` at their centers, then find the ratio of their radii.

If arcs of same length in two circles subtend angles of 60^(@) and 75^(@) at their centers,find the ratios of their radii.

If the arcs of same length in two circles subtend angles of 60^(@) and 75^(@) at their centers. Find the ratio of their radaii.

If the arcs of same length in two circles subtend angles of 60^(@) and 75^(@) at their centers. Find the ratio of their radaii.

If the arcs of the same length in two circles subtend angles of 60^(@) and 75^(@) at their respective centres, find the ratio of their radii?

If the arcs of the same length in two circles subtend angles of 60^(@) and 90^(@) at the centre, then the ratio of the their radii is :

If the area of same length in two circles subtend angles of 60^(@) and 75^(@) at their centres. Find the ratio of their radii.

If the area of same length in two circles subtend angles of 60^(@) and 75^(@) at their centres. Find the ratio of their radii.

If the area of same length in two circles subtend angles of 60^(@) and 75^(@) at their centres. Find the ratio of their radii.

If arcs of same length in two circles subtend angles of 30^0a n d45^0 at their centers, find the ratios of their radii.

If arcs of same length in two circles subtend angles of 60^0 and 75^0 at their centers, find the ratios of their radii.