Distance = sqrt[(-6-23)2 + (-13 + 18)2] = sqrt(841 + 25) = sqrt(866) = 29.43 (approx)
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The Euclidean distance is sqrt[(23 - 6)2 + (18 - 13)2] = sqrt(172 + 52) = sqrt(289 + 25) = sqrt(314) = 17.72 units (approx).
18 - (-10) = 18 + 10 = 28 units.
18 units
"2 5" and "2 5" are the same point if you meant one of them to be (5,2) then: distance = root[18] = whatever the square root of 18 is, is the distance between the points
Use Pythagoras to find the distance between two points (x0,.y0) and (x1, y1): distance = √(change_in_x² + change_in_y²) → distance = √((x1 - x0)² + (y1 - y0)²) → distance = √((4 - 1)² + (-1 -2)²) → distance = √(3² + (-2)²) → distance = √(9 + 9) → distance = √18 = 3 √2
There are different ways to answer this question. The smallest separation observable with the unaided eye is about 0.01mm The smallest observable distance between two points is about 0.4 nm, which is the resolution of the most powerful Scanning Electron Microscope. The smallest theoretical distance between two particles would be the distance between two quarks inside a neutron, which is 10-18 m. The shortest mathematical distance would be 1/infinity.