betterlesson.com/lesson/561029/area-of-regular-plane-figures

Area of Regular Plane Figures. Add to Favorites Print Lesson. Share. Objective. SWBAT to solve problems involving finding area by recognizing which formula should be used based upon the information provided in the problem. Big Idea. Donâ€™t be wary of area: Understanding the meaning of regular plane figures and their areas.

www.theschoolrun.com/what-are-regular-and-irregular-shapes

What are regular and irregular shapes? Regular shapes have sides that are all equal and interior (inside) angles that are all equal.. Irregular shapes have sides and angles of any length and size.. Here are various different shapes in regular and irregular forms: Regular pentagon, regular hexagon, regular octagon

www.beaconlearningcenter.com/WebLessons/PlaneFigures/default.htm

Plane figures are flat, closed, figures that are in a plane. Look around your room for plane figures. Get a sheet of paper and draw and label 4 plane figures with 4 different shapes. Plane figures are all around you !

www.mathsisfun.com/geometry/symmetry-line-plane-shapes.html

Lines of Symmetry of Plane Shapes Line of Symmetry . Here my dog "Flame" has her face made perfectly symmetrical with a bit of photo magic. The white line down the center is the ... has 4 Lines of Symmetry: A Regular Pentagon (5 sides) has 5 Lines of Symmetry : A Regular Hexagon (6 sides) has 6 Lines of Symmetry: A Regular Heptagon (7 sides)

www.mathsisfun.com/shape.html

2D Shapes. Regular Polygons. A polygon is a plane (2D) shape with straight sides. To be a regular polygon all the sides and angles must be the same:

www.merriam-webster.com/dictionary/plane figure

Plane figure definition is - a geometrical configuration all of whose points lie in a plane.

www.reference.com/world-view/examples-plane-figures-fd1b0687fd24f7

What Are Examples of Plane Figures? Some examples of plane figures are triangles, rectangles, squares, rhombuses, parallelograms, circles, ovals, hearts, pentagons and hexagons. A plane figure is a flat figure with closed lines that stays in a single plane. The lines of the figure can be straight, curved or a combination.

www.thefreedictionary.com/plane+figure

Define plane figure. plane figure synonyms, plane figure pronunciation, plane figure translation, English dictionary definition of plane figure. ... plane figure; plane geometry; plane geometry; Plane graph; Plane group; Plane iron; plane it away; plane it down; plane it off; plane jet; plane joint; plane joint; plane joint; plane joint;

en.wikipedia.org/wiki/Euclidean_tilings_by_convex_regular_polygons

Euclidean plane tilings by convex regular polygons have been widely used since antiquity. The first systematic mathematical treatment was that of Kepler in his Harmonices Mundi (Latin: The Harmony of the World, 1619).

www.commoncoresheets.com/Shapes.php

The best source for free shapes worksheets. Easier to grade, more in-depth and best of all... 100% FREE! Kindergarten, 1st Grade, 2nd Grade, 3rd Grade, 4th Grade, 5th Grade and more!