Question

In the figure, AB = AC, B-C-D. Ray CM
bisects LACD, then x +y is ...​

Answer 1

angle bca = angle b =50

angleA +angle B + angle c = 180

x + 50+ 50 = 180

x = 180- 100

x= 80

angle bca+ 2angley = 180

50+ 2y= 180

2y= 180-50

y= 65

x+ y = 80+ 65

= 145