Question

What is the opposite of 90 degree east meridian

Answer 1

Answer:

If you take a look at the Greenwich meridians that are opposite to the 170° W, 90° E, 20° W, and 30° E meridians on a map, you'll observe that all of them extend from the North Pole through to the South Pole and that they all make great circles with another meridian.

Explanation:

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Answer 2

Answer:

90 degree is the answer