The diameter of a circle whose area is equal to the areas of two circles of radii 24cm and 7cm is
A. 25 cm
B. 31 cm
C. 28 cm
D. 50 cm
Answer:D
The diameter of a circle whose area is equal to the areas of two circles of radii 24cm and 7cm is
A. 25 cm B. 31 cm C. 28 cm D. 50 cm