Question

If A (-5,7),B(-4,-5),C(-1,-6) and D(4,5) are the vertices of a quadrilateral Then,find the area of the quadrilateral ABCD...

Answer expecting from thrisha Didi...

Didi please help karo

Answer 1

Hello Friend.......

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The answer of u r question is....

Ans:

By joining Bto D you will get two Triangles ABD and BCD

The area of triangle ABD..

=1/2 [-5(-5-5)+(-4)(5-7)+4(7+5)]

=1/2 (50+8+48)

=106/2

=53 square units...

Also,

The area of triangle BCD

=1/2 [-4(-6-5)-1(5+5)+4+-5+6)

=1/2 [44-10+4]

=19 square units..

Area of Triangle ABD+ Area of Triangle BCD

So,

The area of the quadrilateral ABCD ...

=53+19

=72 square units...

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Answer 2

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