Find the distance between (7, 3) and (4, -1)

(a) 5 unit
(b) 3 unit
(c) 2 unit
(d) 6 unit

Anurag Mishra Professor Asked on 30th June 2016 in Maths.
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1 Answer(s)

Answer: (a) 5 unit 

Solution:-
Formula of distance between two points= sqrt.{(x1- x2)^2 + (y1 – y2)^2}

Then, the distance between (7, 3) and (4, -1).
= sqrt.{(7 – 4)^2 + (3 + 1)^2)}
= sqrt.{(3)^2 + (4)^2}
= sqrt.(9 + 16)
= sqrt.(25)
= 5 unit.

So, the distance between (7, 3) and (4, -1).

Hence, the correct answer is option (a) 5 unit.

Anurag Mishra Professor Answered on 2nd July 2016.
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