Question

33) 33) The ratio of the total surface area of a solid hemisphere to the square of its radius a) 2p : 1 b) 3p : 1 c) 4p: 1 d) 1 : 4p

Answer 1

ratio=(tsa of hemisphere)/(radius)^2
=(2*pi*r^2)/r^2
=2×pi
= 2*pi:1
option a) is correct