In a survey of 420 people, 85% said they drink coffee. 1/3 of the people said they drink their coffee black. How many of the sur
2 answers:
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Answer:
<h2>7 square units</h2>Step-by-step explanation:
As you can observe in the image attached, we know the coordinates of each vertex of the triangle.
To find the area using only its vertex coordinates, we need to use the following formula
Where the coordinates are
Replacing coordinates, we have
Therefore, the area of the triangle is 7 square units. So, the right answer is the second choice.
