Question

Area of quadrilateral ABCD = Area of A triangle ABC + Area of ?

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Answer 1

Answer:

Area of quadrilateral ABCD

=area ∆ABD + area ∆BDC

Answer 2

Area of triangle ADC.

Step-by-step explanation:

Quadrilateral are mainly classified into 6 types such as -

1.Trapezium

2. Parallelogram

3. Rectangle

4. Rhombus

5. Square

6. Kite

In a quadrilateral ABCD, sum of the quadrilateral is $360^o$ and it is formed by sum of two triangle.

In a quadrilateral ABCD= area of triangle ABC+ area of triangle ADC

Number of vertices= 4

Number of edges= 4

Internal angle= $90^o$( For Square and Rectangle)

Sum of interior angles= $360^o$

area=$\frac{1}{2}\times diagonal \times$(sum of perpendicular height).