Mathematics Homework Help

Mathematics Homework Help. How do you find the third vertex?

In the xy-plane, a certain triangle has an area of 4. If two of the vertices have coordinates (5,6) and (5,8),respectively,  what is one possible value for the x-coordinate of the third vertex?

The answer is 1 or 9 but I’m not sure how they arrived at this answer.

Mathematics Homework Help

 
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