ARTICLES

A ray that divides an angle into two congruent angles is called an angle bisector. The straight line cuts an angle in half, creating two equal angles.

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The internal angles of a regular decagon are 144 degrees each. A decagon is a polygon with 10 sides and 10 internal angles, and a regular decagon is a polygon with 10 equal sides and 10 equal angles.

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A rectangle has four right angles and two pairs of equal sides. Rectangles are four-sided polygons known as quadrilaterals. Other types of quadrilaterals are the square, rhombus, trapezoid, parallelogram and kite.

www.reference.com/article/shape-four-right-angles-two-pairs-equal-sides-a23d42aa265b1b9a

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SIMILAR ARTICLES

A perpendicular bisector is a line that cuts across the midpoint of a given line segment at a 90-degree angle. It divides the line segment into two equal parts. A common method for drawing perpendicular bisectors uses a ...

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Four different methods for determining triangle congruency by examining sets of sides and angles exist: SSS (side, side, side), SAS (side, angle, side), ASA (angle, side, angle) and AAS (angle, angle, side). The hypotenu...

www.reference.com/article/correct-theorem-proving-triangles-congruent-3928ac4981a6578d

A perpendicular bisector is a line that divide another line into two equal measures and is perpendicular to the line it dissects. A triangle has three perpendicular bisectors, one for each side. To find the perpendicular...

www.reference.com/article/perpendicular-bisector-triangle-ce23ea776631a693

No matter what type of triangle is in question, there are always three angles in a triangle. The angle sizes vary on the type of triangle, but there are always three that add up to 180 degrees.

www.reference.com/article/many-angles-triangle-b2c6fc6cfc659536

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