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Questions tagged [geometry]

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6
votes
2answers
3k views

What is the shortest path between two points on Earth's surface?

I am a Math student and don't know about longitude and latitude. This question was asked in CSIR-NET Mathematics. Please help me to solve it. Two points $A$ and $B$ on the surface of the Earth have ...
3
votes
2answers
2k views

How do I convert between different east longitude coordinates?

I have two datasets that represent longitude in different ways. The first represents longitude as degrees from east to 180, but then as negative east so that I have a series which looks like: ...
1
vote
1answer
8k views

In geology, what is apparent dip and how is it related to true dip?

How is apparent dip related to true dip? How can true dip be calculated from apparent dip?