FAQ: What Is Pentagon In Geometry?

In geometry, a pentagon (from the Greek πέντε pente meaning five and γωνία gonia meaning angle) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. A self-intersecting regular pentagon (or star pentagon) is called a pentagram.

What is a simple definition of a pentagon?

: a polygon of five angles and five sides.

What is a pentagon shape example?

Examples of Pentagons The famous U.S. department of defense building in Washington D.C. (The Pentagon building) The home plate on a baseball field. School crossing signs. Sections on a soccer ball.

Is a pentagon 5 triangles?

The pentagon is divided into five identical isosceles triangles. Each triangle has one angle that is 360° ÷ 5 = 72° and two equal angles ( in the diagram).

What is the best definition of pentagon?

The definition of a pentagon is a figure with five straight sides and five angles, or a building near Washington D.C. that serves as the headquarters of the Department of Defense. A polygon with five sides and five angles.

What is a 5 sided shape called?

A pentagon is a five-sided polygon. A regular pentagon has 5 equal edges and 5 equal angles.

WHAT IS A pentagon and its properties?

Hence, there are 28 pentagons in the given figure.

What triangles make up a pentagon?

The pentagon is divided into five identical isosceles triangles. Each triangle has one angle that is 360° ÷ 5 = 72° and two equal angles ( in the diagram).

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What is another word for pentagon?

synonyms for pentagon

  • cinque.
  • cinquefoil.
  • lustrum.
  • pentacle.
  • pentagram.
  • pentangle.
  • quinquennium.
  • quintuple.

Is any 5 sided shape called a pentagon?

A five-sided shape is called a pentagon. A six-sided shape is a hexagon, a seven-sided shape a heptagon, while an octagon has eight sides…

What objects are shaped like pentagons?

Examples of Pentagon

  • Buildings. Some of the buildings and infrastructures are built in the shape of a pentagon.
  • Cup Cake. If you trace the boundary of a cupcake that has icing on its top, you can easily visualize the pentagon shape.
  • School Crossing Signs.
  • Sections on a Soccer Ball.
  • Toy House.
  • Circus Tent.
  • Pencil.
  • Diamond.

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