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# The Horizon PowerPoint PPT Presentation

The Horizon. By: Jessica Malick, Gillian Glackin , and Josh Chaney. What we’re given…. x. 1500 ft. 20,902,231 ft (radius of Earth). 20,902,231 ft (radius of Earth). What we figured out & how…. Sin90 = sinx 20,903,731 20,902,231. x. Sin -1 (.9) = x =89 ◦.

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The Horizon

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## The Horizon

By: Jessica Malick, Gillian Glackin, and Josh Chaney

### What we’re given…

x

1500 ft

20,902,231 ft (radius of Earth)

20,902,231 ft (radius of Earth)

### What we figured out & how…

Sin90 = sinx20,903,731 20,902,231

x

Sin-1(.9) = x

=89◦

20,903,731 ft(Radius of Earth + 1500 ft above Earth)

250,417.5 ft

(pythagorean theorem)

20, 902, 231 ft (Radius of Earth

### Conclusion!

• The angle you’d be looking at the horizon relative to your position directly above the ground would be about 89◦, which we found using sine inverse.

• The distance to the horizon would be 250,417.5 ft, which we found using the Pythagorean Theorem.