For any two points, (x1, y1) and (x2, y2), the distance is SQRT [(x1 - x2)2 + (y1 - y2)2]
In this case, the distance is:[ 82 + (-17)2 ] = sqrt (353) = 18.79 (rounded)
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Distance = sqrt(82 + 172) = sqrt(64 + 289) = sqrt(353) = 18.79
That would be points (0, 0) and (8, 17)
Distance = sqrt[(Y2 - Y1)2 + (X2 - X1)2]
Distance = sqrt[(17 - 0)2 + (8 - 0)2]
Distance = sqrt(172 + 82)
Distance = sqrt(289 + 64)
Distance = sqrt(353)
Points: (0, 0) and (8, -17)
Distance: square root of 353 or about 18.788 rounded to 3 decimal places
It is the square root of (-4-11)2+(17-17)2 which works out as 15.
25
Square root of 17
(-10--2)2+(8--7)2 = 289 and the square root of this is 17 Therefore the distance is 17 units in length.
Origin of Symmetry was created on 2001-07-17.