SOLUTION: what is the distance between a and b when a is (2,12)and b is (7,2)

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Question 882905: what is the distance between a and b when a is (2,12)and b is (7,2)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the distance formula,
D%5E2=%28x%5B2%5D-x%5B1%5D%29%5E2%2B%28y%5B2%5D-y%5B1%5D%29%5E2
D%5E2=%282-7%29%5E2%2B%2812-2%29%5E2
D%5E2=25%2B100
D%5E2=125
D=sqrt%28125%29
D=5sqrt%285%29