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kogti [31]
3 years ago
10

Area of triangle with following verticies (0,-9), (3,-9), and (0,-2)

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Answer:

Area = 21/2 = 10.5 area units

Step-by-step explanation:

Two of the points are on the same line (the y-axis) as they both have x-coordinates of 0. This can thus be the base of your triangle.

Two more are on the same line (y= -9) as they both have the same y-coordinate of -9. This can be the height of your triangle.

So you have a base which is between -2 and -9 (7 units) and a height which is between 0 and 3 (3 units) so now just use the equation for area of a triangle A=0.5*b*h

mylen [45]3 years ago
4 0

Answer:

Area = 21/2 = 10.5 area units

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