Multiple Choice
An astronaut lands on an unknown planet.After walking a distance of 400 km toward the north pole of the planet,she notices that the pole star for that planet is 5 degrees higher in the sky.What is the circumference of the planet?
A) 28,800 km
B) 400 km
C) 4600 km
D) 7200 km
Correct Answer:

Verified
Correct Answer:
Verified
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