Answer:
∠A = 40°
∠C = 32°
Step-by-step explanation:
Inscribed angles that intercept the same arc have the same measure.
∠A intercepts the same arc (CD) as ∠B, so has the same measure, 40°.
∠C intercepts the same arc (AB) as ∠D, so has the same measure, 32°.
