Question 138
A ball (solid sphere) is cut into two hemispheres. By how many $\%$ is the sum of the surface areas of both hemispheres greater than the surface area of the ball?
(A) 25
(B) 50
(C) 75
(D) 22,5
(E) 40
(A) 25
(B) 50
(C) 75
(D) 22,5
(E) 40