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Geometry – Plane Shapes

Plane shapes are two-dimensional shapes bounded by lines known as sides. Any shape drawn on a plane is called a two-dimensional shape (or 2-D shapes for short). When we say a figure is two- dimensional, we mean it can be measured along x and y axes i.e. it has length and width or breadth.   Types of Plane Shapes Common plane shapes are: Triangles Quadrilaterals Polygons Circles Triangles and quadrilaterals are examples of polygon. However, because triangles and quadrilaterals have their own special properties they are usually dealt with separately.   Triangles Tri-angle means three angles. A triangle has three angles and three sides. Types of Triangles Scalene triangle: it has no sides and no angles equal. i.e. it has three sides of different lengths and three angles of different magnitudes (sizes). Isosceles triangle: It has two adjacent sides equal and two angles equa             … Read More »Geometry – Plane Shapes

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