find the distance between the points (a+b,b+c) and (a-b,c-b)

distance between two points
= root [(x1- x2)2 + (y1 - y2)2]
= root [{(a + b) - (a - b)}2 + {(b + c) - (c - b)}2]
= root [(2b)2 + (2b)2]
= root [4b2 + 4b2]
= root 8b2
= 2b (root 2)   units

  • -1
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