When the altitude of the sun changes from $30^\circ$ to $45^\circ$, the length of the shadow of an electricity pole on level ground decreases by $20\text{ m}$. What is the height of the electricity pole?

Options:

• A: 20(√3 - 1) m
• B: 10(√3 - 1) m
• C: 20(√3 + 1) m
• D: 10(√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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