Use the Pythagorean theorem to find the distance between two points on the coordinate plane. Since this format always works it can be turned into a formula. Quick Explanation When we know the horizontal and vertical distances between two points we can calculate the straight line distance like this.
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Select two points when prompted in the DraftSight command window. Compute yDist using Mathpow. X sinlatitudeFrom pi180 sinlatitudeTo pi180 coslatitudeFrom pi180 coslatitudeTo pi180 coslongitudeTo pi180 - longitudeFrom pi180. The distance between two points calculation formula is similar to the right triangle rule where the squared hypotenuse is equal to the sum of the squares of the other two sides.