THERE_ARE_2_CIRCLES_SAY_A,_B._A_HAS_20_UNITS_RADIUS_AND_B_HAS_10_UNITS_RADIUS_AND_DISTANCE_FROM_CENTERS_OF_A_AND_B_IS_40_UNITS._WHERE_WILL_BE_THE_INTERSECTION_POINT_OF_EXTERNAL_TANGENTS??$

• A. to the left of two circles
• B. to the right of the two circles
• C. middle of the two circles
• D. they intersect at midpoint of line joining the centers