Geometry coding

2 D

Distance between two points

• point A: (x1=1,y1=3)

• point B: (x2=4,y2=7)

• deltaX = x2-x1 = 4-1 = 3

• deltaY = y2-y1 = 7-3 = 4

• distance = square root of deltaX^2 + deltaY^2

• Implement in C: double distance = sqrt(pow(deltaX,2) + pow(deltaY,2));