A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect each other. The exterior angles of a rectangle are each 90°.

If the side of a polygon is extended, the angle formed outside the polygon is the exterior angle. The sum of the exterior angles of a polygon is 360°. The sum of exterior angles is 360°.

The biggest change is that V-8 engines are no longer available: North America will only get an inline-four 2.4-liter turbo ...

If you're on the hunt for your next off-roading vehicle, check out these trucks. They're all new enough to have lots of perks ...

在百万级SUV中，迈巴赫GLS600以强大气场和顶级工艺吸引无数目光，但在一些老板的心目中，这款车仍无法完全匹配他们对尊贵与个性的追求。为了满足这些对车辆品味、气场、以及定制化要求极高的车主，LUMMA基于奔驰GLS ...

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