# 80th parallel north

The 80th parallel north is a circle of latitude that is 80 degrees north of the Earth's equatorial plane, and 10 degrees (690 miles / 1100 kilometers) south of the North Pole, in the Arctic. It crosses the Atlantic Ocean, Europe, Asia, the Arctic Ocean and North America. At this latitude the sun is visible for 24 hours, 0 minutes during the summer solstice and astronomical twilight during the winter solstice. (Wikipedia).

using exterior angles to find interior angles - g5

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From playlist Common Core Standards - 8th Grade

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corresponding angles and straight lines - g5

using straight angles to find the values of different angles

From playlist Common Core Standards - 8th Grade

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an example that using properties of corresponding angles

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From playlist AQA Higher Tier GCSE Maths

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From playlist Common Core Standards - 7th Grade

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From playlist Carver Mead Celebration Symposium - August 8, 2014

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From playlist National Geographic Bee 2013

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## Related pages

79th parallel north | 81st parallel north | Degree (angle) | Equator | Circle of latitude | True north