The boy knows his own height and can measure the length of his shadow as well as the length of the tree shadow. which postulate will allow the boy to find the height of the tree A. ASA

B. AA

C. SAS

D. AAS

Option C is correct.

Step-by-step explanation:

Here, boy knows his height and shadow length

And he know the length of tree shadow.

We need to find height of the tree.

And tree and it's shadow makes right angle at the point of intersection.

So, S A S rule works here.