D − 21.4 = 87 . Help! What is D?
2 answers:
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The formula is called the “midpoint formula”. It looks like this
m=(x1+x2)/2 , (y1+y2)/2 where m means midpoint. In your case it looks like this.
m=(x1+x2)/2 , (y1+y2)/2 where m means midpoint. In your case it looks like this.