Submitted by examrobotsa on Thu, 01/01/1970 - 05:30 How far must a girl stand in front of a concave spherical mirror of radius 120 cm to see an erect image of her face four times its natural size?40 cm from the mirror 45 cm from the mirror50 cm from the mirror55 cm from the mirrorstats: 0,24,208,168,24,32,8