Quadrilaterals – Definition – Properties The word “quadrilateral” has two Latin words quadri, a variant of four and latus meaning is “side”. What is a quadrilateral A quadrilateral is a polygon, with four edges or sides and four vertex or corners. Just like as a triangle is 3 sides polygon, […]
Read More →Vertex – Definition and Examples Vertex – Latin word Vertex meaning, “highest point”. What is Vertex? Vertex is a point where two or more rays or line segments are meet. When two rays or line segments meet, simply it is a corner, they form an angle. Definition: A vertex is a point on a polygon, where […]
Read More →Adjacent Angles If two angles have a common vertex, and a common side but do not overlap known as the “Adjacent Angles”. Adjacent angles are a pairs of angles. ∠ABC is adjacent angle to ∠CBD because they have a common side BC and a common vertex B. In above figure ∠x and ∠y are adjacent angles. They have […]
Read More →Trapezium – Definition – Properties Altitude – Midsegment – Angles – Formula Definition: A trapezium is a flat closed quadrilateral with 4 straight sides with one pair of parallel sides. The sides can be vertical, horizontal or slanting.A trapezium is also known as a trapezoid. The parallel sides is called the base and the non […]
Read More →Three Dimensional Shapes In this section, we will discuss about 3D three dimensional shapes. Definition: Example: Cuboid, cube, cone, cylinder, sphere, pyramid, rectangle pyramid, square pyramid, triangular prism, tetrahedron, hexagonal pyramid etc. are examples of three dimensional shapes. It has six rectangles and each rectangle is called the face. The opposite faces of a cuboid […]
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