Question

Find the value of x,y and z in the figure​

Answer 1

25°,115° and 65°

In triangle ABD by angle sum ppty,

40°+60°+55°+x=180°

155+x=180

x=25°

In triangle ABC, by angle sum

40+x+y=180

40+25+y=180

y=115°

y and z form a linear pair

thus, 115+z=180

z=65°