The shadow of a vertical tower on level ground increases by $20$ m when the altitude of the sun changes from $45^\circ$ to $30^\circ$. Find the height of the tower.

Options:

• A: $10(\sqrt{3}-1)$ m
• B: $10(\sqrt{3}+1)$ m
• C: $20(\sqrt{3}-1)$ m
• D: $20(\sqrt{3}+1)$ m

Related Practice Questions:

• Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
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