lexishines
lexishines
04-12-2017
Mathematics
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PLEASE ANSWER SOON
Has a picture of question
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Edufirst
Edufirst
05-12-2017
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.
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