Question

BC=CA,A=40degree find ACD=?

Answer 1

Step-by-step explanation:

BC = CA

so it's an isosceles triangle

B = A

B = 40°

A + B + C = 180°

A + A + C = 180°

C = 180° - 80°

C = 100°

Answer 2

Answer:

what

is the question❓

Step-by-step explanation:

what

is the question❓