References: 1  Royal College of Radiologists. 2  Swinson S, Tapp M, Brindley R, Chapman S, Offiah A, Johnson K. An audit of skeletal surveys for suspected non-accidental injury following publication of the British Society of Paediatric Radiology guidelines. 3  Offiah AC, Hall CM.
The question of distance between two straight lines arises only when they are parallel. The given lines are parallel. If the equations of parallel lines are ax + by + c = 0 and ax + by + c' = 0, then the perpendicular distance between them is given by. p = l c - c' l / sqrt ( a^2 + b^2 )
In the coordinate plane, you can use the Pythagorean Theorem to find the distance between any two points. The distance between the two points (x 1 ,y 1) and (x 2 ,y 2) is. For example: To find the distance between A(1,1) and B(3,4), we form a right angled triangle with as the hypotenuse. The length of = 3 â 1 = 2.