Question

: A girl of height 90 cm is
walking away from the base of a
lamp-post at a speed of-1.2 m/s. If the lamp
is 3.6 m above the ground, find the length
of her shadow after 4 seconds.​

Answer 1

Answer:

1.6

Step-by-step explanation:

by similar triangle

3.6/0.9 = (4.8+X)/X

X = 1.6

here X is shadow

Answer 2

Answer:

The length of the shadow is 160 cm.