pison8748 pison8748 28-01-2024 Mathematics contestada A girl of height 80 cm is walking away from the base of a lamp-post at a speed of s√2.1 m/sec. If the lamp is 4 m above the ground, then find the length of her shadow after 4 sec. a) 11.2 m b) 12.3 m c) 13.4 m d) 14.5 m
