Find the distance of AB if point A (-4,6) and point B (-4,8).
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Answer:
Distance b/w 2pts (x1,y1) and (x2,y2) is
d=(x2−x1)2+(y2−y1)2
Distance between points (a,b) and (b,a) is
d=(b−a)2+(a−b)2
d2=(b−a)2+(a−b)2
d2=(a−b)2+(a−b)2
d2=2(a−b)2
d2=2×42
d2=32
d=42 units
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