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1howmany.com/how-many-sides-does-a-pentagon-have

Aug 31, 2011 To say the truth, not everybody knows much about geometry. So it can be difficult for many people to give the right answer to rather a simple question, “How many sides does a pentagon 1 have?” The word “pentagon” is of Greek origin, and its prefix “penta” (from Greek “pente”) means “five”.

en.wikipedia.org/wiki/Pentagon

An equilateral pentagon is a polygon with five sides of equal length. However, its five internal angles can take a range of sets of values, thus permitting it to form a family of pentagons. In contrast, the regular pentagon is unique up to similarity, because it is equilateral and, moreover, it is equiangular (its five angles are equal).

en.wikipedia.org/wiki/The_Pentagon

The Pentagon, in Arlington County, Virginia, across the Potomac River from Washington, D.C., is the headquarters of the United States Department of Defense. As a symbol of the U.S. military, the phrase The Pentagon is often used as a metonym for the Department of Defense and its leadership.

www.answers.com/Q/How_many_sizes_does_an_octagon_have

How many sizes does an octagon have? ... It can be any size, so it can have any number of millimeters. ... an irregular octagonal polygon with varying side lengths could have several right angles ...

www.answers.com/Q/How_many_shapes_does_a_pentagon_have

A regular polygon has all sides the same length and all anglesthe same size. A regular pentagon has 5 angles each 108 degrees. Ahouse-shaped pentagon does not have all angles the same size ...

www.reference.com/math/many-sides-polygon-432f61fa706290bd

How Many Sides Does a Polygon Have? A polygon is a plane figure that has "at least three straight sides and angles," according to Oxford Dictionaries. However, polygons can have more than three sides; most have five or more. The word polygon comes from the Greek roots "poly," meaning many and "gon," meaning angle. When naming polygons, the ...

www.mathsisfun.com/geometry/pentagon.html

Any pentagon has: Sum of Interior Angles of 540° 5 diagonals; Make a Regular Pentagon. You can make a regular pentagon with a strip of paper! Start with a long strip of paper, make sure it is the same width all along (if you want the pentagon to be regular): Make a "pretzel" knot with the paper. Carefully tighten the knot while keeping the ...

www.reference.com/math/many-sides-pentagon-73993c1ddb914d59

How Many Sides Does a Pentagon Have? A pentagon is a two-dimensional geometric figure that has five sides. A regular pentagon is one where all five sides are the exact same length and the internal angles are all 108 degrees. In addition to having five sides, the sides must also form a closed shape. Sides also must be straight.

covenantfwb.org/how-many-sides-does-a-polygon-have

How Many Sides Does A Polygon Have.A heptagon is defined as polygon with seven angles and seven sides. The heptagon is sometimes referred to as the septagon, using the Latin numerical prefix "sept" rather than the Greek numerical prefix "hepta.".

www.infoplease.com/.../polygons-how-many-sides

How Many Angles? A polygon has as many angles as it has sides. For example, a triangle has 3 sides and 3 angles. A pentagon has 5 sides and 5 angles. An octadecagon has 18 sides and 18 angles!