text: Check if a line touches or intersects a circle | python program to check if a line touches or intersects or outside a circle . ; Finding the distance of line from center . ; Checking if the distance is less than , greater than or equal to radius . ; Driven Program
code: import math NEW_LINE def checkCollision ( a , b , c , x , y , radius ) : NEW_LINE INDENT dist = ( ( abs ( a * x + b * y + c ) ) / math . sqrt ( a * a + b * b ) ) NEW_LINE if ( radius == dist ) : NEW_LINE INDENT print ( " Touch " ) NEW_LINE DEDENT elif ( radius > dist ) : NEW_LINE INDENT print ( " Intersect " ) NEW_LINE DEDENT else : NEW_LINE INDENT print ( " Outside " ) NEW_LINE DEDENT DEDENT radius = 5 NEW_LINE x = 0 NEW_LINE y = 0 NEW_LINE a = 3 NEW_LINE b = 4 NEW_LINE c = 25 NEW_LINE checkCollision ( a , b , c , x , y , radius ) NEW_LINE