SOLUTION: what is the area of a triangle with vertices (0,4),(0,0),(-4,0)

Question 868441: what is the area of a triangle with vertices (0,4),(0,0),(-4,0)
Answer by JLJL(8) (Show Source): You can put this solution on YOUR website!
First, sketch the triangle with the given coordinates as illustrated on a Cartesian plane in the picture.
http://www.algebra.com/cgi-bin/display-illustration.mpl?tutor=JLJL&illustration_name=Diagram_1&size=thumbnail
We can now know the base of the triangle is 4 units and the height of the triangle is 4 units.
To calculate the area of the triangle, use the formula of area of triangle = 1/2 x base x height
Therefore,
Area of Triangle = 1/2 x 4 x 4
Area of triangle = 8 units.

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