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(a+b,b+c)
X1 = a+b
Y1= b+c
(a-b,c-b)
X2 = a-b
Y2 = c-b
distance = d = ?
d = √(x2-x1)²+(y2-y1)²
d = √(a-b-(a+b))+(c-b-(b+c))
d = √(a-b-a-b)²+(c-b-b-c)
d = √(-2b)²+(-2b)²
d = √(4b²)+(4b²)
d = √8b²
d = 2b√2 unit
X1 = a+b
Y1= b+c
(a-b,c-b)
X2 = a-b
Y2 = c-b
distance = d = ?
d = √(x2-x1)²+(y2-y1)²
d = √(a-b-(a+b))+(c-b-(b+c))
d = √(a-b-a-b)²+(c-b-b-c)
d = √(-2b)²+(-2b)²
d = √(4b²)+(4b²)
d = √8b²
d = 2b√2 unit
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