Posted by Richard D on Friday, October 19, 2012 at 12:08pm.
Find the area of a rectangle if three of its corners are (3.7, 3.1), (1.2, 3.1), and
(1.2, 5.3). Hint: find the 4th corner first.

College Math  Reiny, Friday, October 19, 2012 at 12:37pm
done , look back before reposting
Richard, you are asking a lot of unrelated question without showing any effort on your part
This is called "homework  dumping"
Exactly where are you having difficulties?
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