In two circles, arcs of equal length subtend angles of `60^0 and 75^0` at their centres, show that their radii are in the ratio `5:4`

If in two circles, arcs of the same length subtend angles 60o and 75o at the centre, find the ratio of their radii.

If in two circle arcs of the same length subtend angle of 60^(@) and 75^(@) at the center , find the ratio of their radii.

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.

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 arcs of the same lengths in two circles subtend angles of 65^0 and 110^0 at the centre, 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 area of same length in two circles subtend angles of 60^(@) and 75^(@) at their centres. Find the ratio of their radii.

If the arcs of the same length in two circles subtend angles 65 and 110 at the center, then the ratio of their radii.

If the arcs of the same lengths m two circles subtend angles 65o and 110o at the centre, find the ratio of their radii.

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.