parallel lines

what is parallel line

Parallel Lines is the third studio album by American rock band Blondie. It was released on September 23, 1978, by Chrysalis Records to international commercial success. The album reached No. 1 in the United Kingdom in February 1979 and proved to be the band’s commercial breakthrough in the United States, where it reached No. 6 in April 1979. In Billboard magazine, Parallel Lines was listed at No. 9 in the top pop albums year-end chart of 1979. As of 2008, the album had sold over 20 million copies worldwide.[1] The album spawned several successful singles, notably the international hit “Heart of Glass

what is Interior and External angles angle

“Interior angle” redirects here. For interior angles on the same side of the transversal, see Transversal line.

Internal and External angles

In geometry, an angle of a polygon is formed by two sides of the polygon that share an endpoint. For a simple (non-self-intersecting) polygon, regardless of whether it is convex or non-convex, this angle is called an interior angle (or internal angle) if a point within the angle is in the interior of the polygon. A polygon has exactly one internal angle per vertex.

If every internal angle of a simple polygon is less than 180°, the polygon is called convex.

In contrast, an exterior angle (or external angle) is an angle formed by one side of a simple polygon and a line extended from an adjacent side.

what is exterior angles

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