A boy of height \(90 \ cm\) is walking away from the base of a lamp post at a speed of \(1.2 \ m/sec\). If the lamp post is \(3.6 \ m\) above the ground, estimate the length of his shadow cast after \(3.2\) seconds.
Answer:
The length of the shadow of the boy after \(3.2\) seconds \(=\) \(m\)
(Note: Round off the answer to \(2\) decimal places.)