the side bc of a triangle abc is produced such that d is in ray bc. the bisector of angle a bc in l as shown in figure. prove that angle abc+ angle acd =2angle alc
Written on Dec. 7, 2017, 12:10 a.m.
the side bc of a triangle abc is produced such that d is in ray bc. the bisector of angle a bc in l as shown in figure. prove that angle abc+ angle acd =2angle alc
Written on Dec. 7, 2017, 12:10 a.m.