Subject :IMO Class : Class 9

** The angle between internal and the external bisectors of an angle is ______.**

(A) 90° (B) 180° (C) 270° (D) 30°

Subject :IMO Class : Class 9

** The angle between internal and the external bisectors of an angle is ______.**

(A) 90° (B) 180° (C) 270° (D) 30°