Question

what is meaning of quadrilateral​

Answer 1

quadrilateral

In Geometry, the shapes or objects are classified based on the number of sides. The different classification of shapes are:

• Triangle ( 3-sides)
• Quadrilateral (4-sides)
• Pentagon (5-sides)
• Hexagon (6-sides)
• Heptagon (7-sides)
• Octagon (8-sides) and so on.

Types

There are many types of quadrilaterals. As the word ‘Quad’ means four, all these types of a quadrilateral have four sides, and the sum of angles of these shapes is 360 degrees.

• Trapezium
• Parallelogram
• Squares
• Rectangle
• Rhombus
• Kite

Formula

Area of a Parallelogram Base x Height

Area of a Rectangle Length x Width

Area of a Square Side x Side

Area of a Rhombus (1/2) x Diagonal 1 x Diagonal2

Area of a Kite 1/2 x Diagonal 1 x Diagonal 2

Answer 2

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Quadrilateral just means "four sides" (quad means four, lateral means side). A Quadrilateral has four-sides, it is 2-dimensional (a flat shape), closed (the lines join up), and has straight sides.