The answer is 21 which comes from 7 * 3.
Draw the four points in a complex plane. From the drawing you can see that the lenght is 4i - (-3i) = 4i + 3i = 7i, and the width is 1 - (-2) = 1 + 2 = 3.
So, the area is 7 * 3 = 21.
Answer:3.42
Step-by-step explanation:to get the answer to a area equation you need to multiply the length by the width.
TeX rendering has been iffy at best on this site for the past few days, at least in my experience. I've attached a solution below.
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