Question

in figure the value of angle ACD will be​

Answer 1

Answer:

90°

Step-by-step explanation:

angle a+angle b+angle c=180°

40°+50°+x=180°

x=180°-90°

x=90°

angle acb+ angle acd=180°

90°+y=180°

y=90°

therefore, angle acd=90°