heE AND ITS ANt itif the ha the two bisectors isis tors or ths of a sight Iriangle meet at O, then the angtets of exterior angles at B and C of AARC meet at 0 Ir() 135() 90The bisaytsat O. IrtA-x", then(db) 00(a) 90°博(e) 1o" a(d) 1809-n AC " and aC is prodluced to a point D. If the bisectors of Ac anu(d) 75

heE AND ITS ANt itif the ha the two bisectors isis tors or ths of a si

1.	heE AND ITS ANt itif the ha the two bisectors isis tors or ths of a sight Iriangle meet at O, then the angtets of exterior angles at B and C of AARC meet at 0 Ir() 135() 90The bisaytsat O. IrtA-x", then(db) 00(a) 90°博(e) 1o" a(d) 1809-n AC " and aC is prodluced to a point D. If the bisectors of Ac anu(d) 75
Answer» 23.