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**mathxyz****Member**- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053

The tallest building in the world is Burj Khalifa in Dubai, United Arab Emirates, at 2717 feet and 160 floors.The observation deck is 1450 feet above ground level. How far can a person standing on the observation deck see (with the aid of a telescope)? Use 3960 miles for the radius of Earth.

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**Bob****Administrator**- Registered: 2010-06-20
- Posts: 10,588

This is the LOH lighthouse problem again. The diagram still works but now L is the height of the observation deck.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

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**mathxyz****Member**- From: Brooklyn, NY
- Registered: 2024-02-24
- Posts: 1,053

Bob wrote:

This is the LOH lighthouse problem again. The diagram still works but now L is the height of the observation deck.

Bob

Hi Bob. I totally get it thanks to your diagram.

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