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  1. Polygon is a website that covers video games, TV, movies, tabletop games, anime, and comics. Find the latest news, reviews, previews, features, and opinions on your favorite topics and media.

    • Starfield guide

      Starfield has a lot going on. Our Starfield guides and...

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      Polygon’s What to Watch highlights the best, the funniest,...

    • What to Play

      By Polygon Staff, Ryan Gilliam, and 2 more February 20 /...

    • Games

      Polygon Gaming offers news, updates, tips, guides, and...

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      Get the latest news, reviews, trailers, and ongoing coverage...

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      Polygon's reviews of the latest video games, movies, TV...

    • Features

      Feature on Polygon. Latest Elden Ring patch still doesn’t...

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      Shopping on Polygon. Magic: The Gathering reveals...

  2. Learn how to calculate the sum and value of internal angles in regular and irregular polygons using a formula. Watch a video, try activities and play a maths game to test your skills.

    • Polygon Definition
    • Concave and Convex Polygons
    • What Does The National Curriculum in England Say?
    • Polygons Resources
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    A polygon is a flat, two-dimensional (2D) shapewith straight sides which are all joined up. A shape with straight sides which are not fully closed is not a polygon. A polygon can have any number of sides. This shape is a polygon because it: (1) is a 2D shape; (2) has straight sides; (3) the sides are all joined up. square This shape is not a polygo...

    Polygons can be further classified and sorted based on their interior angles. Convex Polygon A convex polygon is a polygon where each of the interior angles measure equal to or less than 180°. Equilateral triangles are convex polygons as each interior angle measures 60°. The interior angles of a triangle always add up to 180° so triangles can never...

    In Key Stage 1, children are introduced to the basic properties of common 2D shapes, such as the number of sides in a square. In Key Stage 2, the students’ knowledge of shapes is broadened by exploring further properties of shapes, such as angles, and use of correct mathematical vocabulary. Furthermore, in upper Key Stage 2, they begin to sort and ...

    Twinkl has plenty of resources that will support your teaching on polygons across the curriculum. 1. Regular and Irregular Polygons Poster 2. Regular and Irregular Polygons Maths Mastery PowerPoint 3. PlanIt Maths Year 2 Properties of Shape Lesson Pack 2: Introducing Polygons 4. Regular Polygons Matching Pairs Worksheet 5. Regular and Irregular Pol...

    Learn what a polygon is, how to identify regular and irregular polygons, and the names and properties of different polygons. Find resources, videos and worksheets for teaching polygons in maths.

  3. www.mathsisfun.com › geometry › polygonsPolygons - Math is Fun

    Learn what a polygon is, how to classify it by sides, angles, and shapes, and how to name it. Explore interactive polygons and see examples of regular, irregular, convex, concave, simple and complex polygons.

    Name
    Sides
    Interior Angle
    Triangle (or Trigon)
    3
    60°
    Quadrilateral (or Tetragon)
    4
    90°
    5
    108°
    6
    120°
  4. Learn what polygons are and how to identify them by their number of sides and angles. Find out the types of polygons, such as regular and irregular, and their properties, such as parallel and perpendicular lines.

  5. The sum of exterior angles of a polygon is 360°. The formula for calculating the size of an exterior angle is: exterior angle of a polygon = 360 ÷ number of sides. Learn about and revise angles...

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  7. en.wikipedia.org › wiki › PolygonPolygon - Wikipedia

    In geometry, a polygon (/ ˈ p ɒ l ɪ ɡ ɒ n /) is a plane figure made up of line segments connected to form a closed polygonal chain. The segments of a closed polygonal chain are called its edges or sides. The points where two edges meet are the polygon's vertices or corners. An n-gon is a polygon with n sides; for example, a triangle is a 3 ...

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    A maths website kids love! Master maths with IXL's interactive programme. Learn 3000+ maths skills online. Get personalised guidance. Win fun awards!

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