Verified answer

Answer:

we know that a is equals to b and C

hence a is 50 then b and C are also 50 degree

we know that bisectors bisect an angle equally so bisector of angle b and C will bisect the angle and will form 25 from the base of the triangle of BAC

now for triangle b o c we come to know that b and C are 25 degree

we know that some of the angle of triangle is 180 degree so angle b + angle C + angle o is equal to 180°

b=25

c=25

o=?

25+25+o=180

50+o=180

180-50=o

hence o is equal to 130 degree