Given A ( 4 , 7 ) and B ( 7 , 3 ). Then AB = ______ *
1 point
The coordinates of the midpoint of a line segment joining A ( 3 , -2 ) and B ( -1 , 4 ) are ______ *
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Answer:
midpoint is (1,1)
AB = (28,21)
Step-by-step explanation:
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Given: A(4,7) and B(7,3)
AB= ( x2-x1)^2+(y2-y1)^2
=(7-4)^2+(3-7)^2
=(3)^2+(-4)^2
=9+16
=25
given:
A(3,-2) and B(-1,4)
midpoint of AB=[(x1+x2)/2,(y1+y2)/2]
AB=[(3-1)/2,(-2+4)/2]
AB=[2/2 , 2/2]
AB=[1 , 1]
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