Mathematics
The radius of a circle whose area is equal to the sum of the areas of two circles of radii 7 cm and 24 cm respectively is :
31 cm
28 cm
27 cm
25 cm
Related Questions
If the perimeters of a circle and a square are same, then the ratio of their areas is :
2 : π
4 : π
16 : π
π : 4
The radius of the circle whose area is equal to the sum of areas of two circles of radii 9 cm and 12 cm respectively is :
11 cm
12 cm
14 cm
15 cm
The area of a circular garden is 55.44 m2. How long wire is needed for fencing the garden ?
21.4 m
22.4 m
24.6 m
26.4 m