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## What are 3 examples of a quadrilateral?

Quadrilaterals – Square, Rectangle, Rhombus, Trapezoid, Parallelogram.

## What is the area of quadrilateral Class 8?

Area of quadrilateral ABCD = 12 d (h1 + h2), where d is the diagonal and h1 and h2 are the heights of the quadrilateral. Area of the square = a2 , where a be the length of each side of a square. Perimeter of square = 4a. Diagonal = √l2+b2 l 2 + b 2 , where l = length b = breadth.

## What is the area of quadrilateral PQRS?

Area of quadrilateral PQRS is 114cm2.

## How do you find the area of a irregular quadrilateral?

To find the area of such irregular quadrilaterals, follow a three-step strategy:

1. Divide the quadrilateral into two triangles by constructing a diagonal that does not disturb the known interior angle.
2. Calculate the area of each triangle, using formulas.
3. Add the areas of the two triangles.

## How do you find the area of a quadrilateral with vectors?

By property of Vectors , -AB = BA. Thus area = 1/2 AC [BA + AD] and BA + AD = BD. Thus area of the quadrilateral = 1/2 * AC * BD where AC and BD are the diagonals of the Quadrilateral. Thus area of the Quadrilateral = 1/2 * Product of the length of the two diagonals of the Quadrilateral.

## What is area of equilateral quadrilateral?

A quadrilateral is a closed figure that has four sides in it. The interior angles add up to 360 degrees….Area Formulas of Quadrilaterals.

Area of a Square (side)2
Area of a Kite (1 ⁄ 2) × Product of Diagonals
Area of a Parallelogram Base × Height
Area of a Rectangle Length × Breadth

## What is the formula to find the perimeter of a quadrilateral?

The formula is a + b + c+ d = perimeter. For example, suppose that a quadrilateral has sides with lengths of 1, 5, 3 and 4 inches. The perimeter equals 1 + 5 + 3 + 4 or 13 inches.

## What is the perimeter of quadrilateral ABCD?

We know that the perimeter of the quadrilateral = the sum of all the sides of the quadrilateral ABCD = (AB + BC + CD + DA). We have all the values for the sides, so we get the perimeter as, = (8 + 5 + 13 + 10) cm = 36 cm.

## What is the perimeter in units of quadrilateral?

Perimeter of Quadrilateral The sum of the length of all the four sides of the quadrilateral is called the perimeter of the quadrilateral. = (AB+ BC + CD + DA) units.