Question

Pls answer this question tomorrow exam

Answer 1

Anglr Dce= 54-40=17 degree

Answer 2

CD is perpendicular so angle CDA .90 then 90 +50+x=180 then angle acd .40 angle CDA .90 then 90+x+x=180 .
90+2x=180
2x=90
x=45
so angle dce is 45