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A square has vertices (a,0) , (0,a) , and (a, 2a) find the fourth vertex

2 Answers

7 votes
The answer is (2a,a)
User Cove
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4 votes

Notice the first two vertices are reverse from each other (a,0) to (0,a)

the fourth vertex would be the reverse of the third one.

The fourth vertex would be (2a, a)

User Mark Mayo
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