Length of direct common tangent between the two non | Python3 program to find the length of the direct common tangent between two circles which do not touch each other ; Function to find the length of the direct common tangent ; Driver code
import math NEW_LINE def lengtang ( r1 , r2 , d ) : NEW_LINE INDENT print ( " The ▁ length ▁ of ▁ the ▁ direct ▁ common ▁ tangent ▁ is " , ( ( ( d ** 2 ) - ( ( r1 - r2 ) ** 2 ) ) ** ( 1 / 2 ) ) ) ; NEW_LINE DEDENT r1 = 4 ; r2 = 6 ; d = 12 ; NEW_LINE lengtang ( r1 , r2 , d ) ; NEW_LINE