Friends, in today’s post you will get to learn about quadrilateral. It is a shape that is made up of four lines.
What is a quadrilateral?
A plane closed figure made up of four line segments and has four sides, four vertices and four angles. to that shape quadrilateral it is said.
sum of the four interior angles of a quadrilateral 360° it happens.
type of quadrilateral
These are of the following types-
A figure whose four sides are of equal length and each angle is 90 degrees, is called square it is said.
Area of square = side
Perimeter of square = 4 x side
Diagonal of square = 2 side
A figure with four sides, whose opposite sides are of equal length and each angle is 90 degrees, is called rectangle it is said.
Area of rectangle = length x breadth
Diagonal of rectangle = Length² + Breadth²
Perimeter of rectangle = 2 (length + breadth)
The area bounded by four unequal sides on a plane whose two opposite sides are parallel and unequal is trapezoid It is called
Area of trapezium = (sum of two parallel sides x height)
The area on a plane bounded by four sides whose opposite sides are equal and parallel and hence their angles are equal, parallelogram It is called
Area of Parallelogram = Base x Breadth
Perimeter of parallelogram = 2 × sum of corresponding sides
- In a parallelogram, the opposite sides in each pair are equal.
- In a parallelogram, the opposite angles in each pair are equal.
- In a parallelogram, both the diagonals bisect each other.
The area bounded by four sides on a plane whose opposite sides are equal and hence the angles of the opposite are equal, rhombus It is called
Area of rhombus = (product of both the diagonals)
Perimeter of rhombus = 4 x side
- In a rhombus, all four sides are equal.
- The diagonals of a rhombus are perpendicular to each other.
- The opposite angles of a rhombus are equal.
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Read in Hindi: What is a quadrilateral? type of quadrilateral