Question

The Coordinates of A(-4,0) B(4,0) and C(0,4), If we join these three coordinates a figure is formed, the area of the figure is


40 sq units 45 sq units 10 sq units 20sq units

Answer 1

Step-by-step explanation:

The Coordinates are three it means there are three vertices.So definitely the figure must be a triangle

Area of the triangle ABC

=½|x¹(y²-y³)+x²(y³-y¹)+x³(y¹-y²)|

Let A(-4,0)

x¹,y¹

and B(4,0)

x²,y²

and C(0,4)

x³,y³

therefore Area of the triangle ABC

=½|-4(0-4)+4(4-0)+0(0-0)|

=½|-4×-4+4×4+0×0|

=½|16+16|

=½|32|

=½×32

=16

Answer 2

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