The ants of the circles are in the matto of ord the ratio between their umferences

The area of two circles are in the ratio 4:9 . What is the ratio between their circumferences?

The circumferences of two circles are in the ratio 2:3 . What is the ratio between their areas?

The area of two circles are in the ratio 4:9.The ratio of their circumference is

If circumferences of two circles are equal, then what is the ratio between their areas?

The diameters of three circles are in the ratio 3:5:6. If the sum of the circumferences of three circles be 308 cm. Find the difference between the areas of the largest and the smallest of these circles.

The areas of two circles are in the ratio 9:4, then what is the ratio their circumference?

The diameters of three circles are in the ratio 3 : 5 : 6 . If the sum of the circumferences of these circles be 308 cm, find the difference between the areas of the largest and the smallest of these circles.

The circumference of two circles are in the ratio 4:7 then the ratio of their areas is

The radii of three concentric circles are in the ratio 1:2:3. Find the ratio of the area between the two inner circles to that between the two outer circles.

The diameter of the circle is twice the length of the rectangle. The ratio between their areas is 11 : 7 respectively. Then what will be the ratio between the length and breadth of the rectangle?