The 49th parallel north is a circle of latitude that is 49° north of Earth's equator. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean. The city of Paris is about 15 km (9 mi) south of the 49th parallel and is the largest city between the 48th and 49th parallels. Its main airport, Charles de Gaulle Airport, lies on the parallel. Roughly 2,030 kilometres (1,260 mi) of the Canada–United States border was designated to follow the 49th parallel from British Columbia to Manitoba on the Canada side, and from Washington to Minnesota on the U.S. side, more specifically from the Strait of Georgia to the Lake of the Woods. This international border was specified in the Anglo-American Convention of 1818 and the Oregon Treaty of 1846, though survey markers placed in the 19th century cause the border to deviate from the 49th parallel by up to tens of meters. From a point on the ground at this latitude, the sun is above the horizon for 16 hours, 12 minutes during the summer solstice and 8 hours, 14 minutes during the winter solstice. This latitude also roughly corresponds to the minimum latitude in which astronomical twilight can last all night near the summer solstice. Slightly less than 1/8 of the Earth's surface is north of the 49th parallel. (Wikipedia).

Bearings Example (1 of 2: Understanding the situation)

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From playlist Non-right-angled Trigonometry

Solving Right Triangles - Part 2 Applications

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From playlist Trigonometry Introduction

Of all the obscure flyover states, perhaps none are more confusing to those who fly over than the place where The History Guy spent his youth- the Dakotas. In fact, many American schoolchildren have pondered the question- Why are there two Dakotas? The answer to that question is a good i

From playlist History without War

Solution #35 Walk Near North Pole and South Pole!

Solution #35 Walk Near North Pole and South Pole!

From playlist Solutions to Bi-weekly Physics Problems

Bearings Example (2 of 2: Solving the question)

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From playlist Non-right-angled Trigonometry

corresponding angles and straight lines - g5

using straight angles to find the values of different angles

From playlist Common Core Standards - 8th Grade

Distance between two points GCSE IGCSE AS Maths

Support me on Patreon: https://www.patreon.com/mathsaurus How to find the distance between two points. Visit http://www.mathsaurus.com/ for more free GCSE and A-level maths videos and resources Visit the Mathsaurus Amazon shop at https://www.amazon.co.uk/shop/mathsaurus to see some of

From playlist C1 C2 Straight lines and circles

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From playlist All Videos

Find the reference angle of an angle in radians in the third quadrant

👉 Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies and use the reference angle formula for the quadrant

From playlist Find the Reference Angle

Going West, Facing East | US History to 1865 | Study Hall

As the nation grew, 19th century Americans used the phrase "Manifest Destiny." However, Westward Expansion wasn’t "destined" to happen, rather, it was the product of many individual choices that can’t be fully captured in any one phrase. In this episode, Dr. Danielle Bainbridge discusses W

From playlist US History to 1865: College Foundations

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From playlist 50 States - American History & US Geography

Find the midpoint between two points w(–12,–7), T(–8,–4)

👉 Learn how to find the midpoint between two points. The midpoint between two points is the point halfway the line joining two given points in the coordinate plane. To find the midpoint between two points we add the x-coordinates of the two given points and divide the result by 2. This giv

From playlist Points Lines and Planes

In Flight Scenery - Northwest Territories Canada and Alaska USA

The Northwest Territories (NWT; French: les Territoires du Nord-Ouest, TNO) is a territory of Canada. With a population of 41,462 in 2011 and an estimated population of 43,537 in 2013, the Northwest Territories is the most populous territory in Northern Canada.[6][8] Yellowknife became the

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Long Island City (LIC) is the westernmost residential and commercial neighborhood of the New York City borough of Queens. LIC is noted for its rapid and ongoing residential growth and gentrification, its waterfront parks, and its thriving arts community. LIC has among the highest concentra

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War & Expansion: Crash Course US History #17

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From playlist US History

Soviet On Parade - 49th anniversary bolchevic revelution (1966)

Soviet parade in Moscow on the Red Square in 1966. The parade was performed 49th anniversary of the bolchevik revolution also known as the october revolution Moscow, Russia, Soviet Union (USSR). GV. Russian troops marching past in Red Square, Moscow, for the 49th anniversary of the Gre

From playlist COUNTRIES THAT NO LONGER EXIST

A-Level Further Maths F5-04 Intersections: Finding the Distance between two Parallel Lines

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From playlist A-Level Further Maths F5: Intersections

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From playlist OverSimplified History

Franklin Pierce: The Compromise Candidate (1853 - 1857)

Franklin Pierce only served one term, but the borders of America changed a fair amount during his time in office. Let's see what events led to these changes and what happened to Pierce! Script by Michael Thomas Watch the whole American History playlist: http://bit.ly/ProfDaveAmericanHist

From playlist American History

How to determine the reference angle of an angle in degrees

👉 Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies and use the reference angle formula for the quadrant

From playlist Find the Reference Angle