Question

Find the distance between each of the following pairs of points. (1,5) and (2,3)

Answer 1

The distance is 2.2360....

Explanation:

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Answer 2

√5

Explanation:

Remark

The distance formula is d = sqrt( (x2 - x1)^2 + (y2 - y2)^2 )

Givens

x2 = 2

x1 = 1

y2 = 3

y1 = 5

Solution

d = sqrt( (2 - 1)^2 + (3 - 5)^2 )

d = sqrt( (1)^2 + (-2)^2 )

d = sqrt( 1 + 4)

d = sqrt(5)